20454953200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{13633}}^1$

素因数の和:13704

約数の個数: 180

約数和(自身を含む): 55763278144

約数和(自身を除く): 35308324944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 44, 50, 55, 62, 80, 88, 100, 110, 121, 124, 155, 176, 200, 220, 242, 248, 275, 310, 341, 400, 440, 484, 496, 550, 605, 620, 682, 775, 880, 968, 1100, 1210, 1240, 1364, 1550, 1705, 1936, 2200, 2420, 2480, 2728, 3025, 3100, 3410, 3751, 4400, 4840, 5456, 6050, 6200, 6820, 7502, 8525, 9680, 12100, 12400, 13633, 13640, 15004, 17050, 18755, 24200, 27266, 27280, 30008, 34100, 37510, 48400, 54532, 60016, 68165, 68200, 75020, 93775, 109064, 136330, 136400, 149963, 150040, 187550, 218128, 272660, 299926, 300080, 340825, 375100, 422623, 545320, 599852, 681650, 749815, 750200, 845246, 1090640, 1199704, 1363300, 1499630, 1500400, 1649593, 1690492, 2113115, 2399408, 2726600, 2999260, 3299186, 3380984, 3749075, 4226230, 4648853, 5453200, 5998520, 6598372, 6761968, 7498150, 8247965, 8452460, 9297706, 10565575, 11997040, 13196744, 14996300, 16495930, 16904920, 18595412, 21131150, 23244265, 26393488, 29992600, 32991860, 33809840, 37190824, 41239825, 42262300, 46488530, 51137383, 59985200, 65983720, 74381648, 82479650, 84524600, 92977060, 102274766, 116221325, 131967440, 164959300, 169049200, 185954120, 204549532, 232442650, 255686915, 329918600, 371908240, 409099064, 464885300, 511373830, 659837200, 818198128, 929770600, 1022747660, 1278434575, 1859541200, 2045495320, 2556869150, 4090990640, 5113738300, 10227476600, 20454953200]

約数ペア:

[(1, 20454953200), (2, 10227476600), (4, 5113738300), (5, 4090990640), (8, 2556869150), (10, 2045495320), (11, 1859541200), (16, 1278434575), (20, 1022747660), (22, 929770600), (25, 818198128), (31, 659837200), (40, 511373830), (44, 464885300), (50, 409099064), (55, 371908240), (62, 329918600), (80, 255686915), (88, 232442650), (100, 204549532), (110, 185954120), (121, 169049200), (124, 164959300), (155, 131967440), (176, 116221325), (200, 102274766), (220, 92977060), (242, 84524600), (248, 82479650), (275, 74381648), (310, 65983720), (341, 59985200), (400, 51137383), (440, 46488530), (484, 42262300), (496, 41239825), (550, 37190824), (605, 33809840), (620, 32991860), (682, 29992600), (775, 26393488), (880, 23244265), (968, 21131150), (1100, 18595412), (1210, 16904920), (1240, 16495930), (1364, 14996300), (1550, 13196744), (1705, 11997040), (1936, 10565575), (2200, 9297706), (2420, 8452460), (2480, 8247965), (2728, 7498150), (3025, 6761968), (3100, 6598372), (3410, 5998520), (3751, 5453200), (4400, 4648853), (4840, 4226230), (5456, 3749075), (6050, 3380984), (6200, 3299186), (6820, 2999260), (7502, 2726600), (8525, 2399408), (9680, 2113115), (12100, 1690492), (12400, 1649593), (13633, 1500400), (13640, 1499630), (15004, 1363300), (17050, 1199704), (18755, 1090640), (24200, 845246), (27266, 750200), (27280, 749815), (30008, 681650), (34100, 599852), (37510, 545320), (48400, 422623), (54532, 375100), (60016, 340825), (68165, 300080), (68200, 299926), (75020, 272660), (93775, 218128), (109064, 187550), (136330, 150040), (136400, 149963)]