20069700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:546

約数の個数: 144

約数和(自身を含む): 69995520

約数和(自身を除く): 49925820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 133, 140, 150, 175, 190, 210, 228, 266, 285, 300, 350, 380, 399, 420, 475, 503, 525, 532, 570, 665, 700, 798, 950, 1006, 1050, 1140, 1330, 1425, 1509, 1596, 1900, 1995, 2012, 2100, 2515, 2660, 2850, 3018, 3325, 3521, 3990, 5030, 5700, 6036, 6650, 7042, 7545, 7980, 9557, 9975, 10060, 10563, 12575, 13300, 14084, 15090, 17605, 19114, 19950, 21126, 25150, 28671, 30180, 35210, 37725, 38228, 39900, 42252, 47785, 50300, 52815, 57342, 66899, 70420, 75450, 88025, 95570, 105630, 114684, 133798, 143355, 150900, 176050, 191140, 200697, 211260, 238925, 264075, 267596, 286710, 334495, 352100, 401394, 477850, 528150, 573420, 668990, 716775, 802788, 955700, 1003485, 1056300, 1337980, 1433550, 1672475, 2006970, 2867100, 3344950, 4013940, 5017425, 6689900, 10034850, 20069700]

約数ペア:

[(1, 20069700), (2, 10034850), (3, 6689900), (4, 5017425), (5, 4013940), (6, 3344950), (7, 2867100), (10, 2006970), (12, 1672475), (14, 1433550), (15, 1337980), (19, 1056300), (20, 1003485), (21, 955700), (25, 802788), (28, 716775), (30, 668990), (35, 573420), (38, 528150), (42, 477850), (50, 401394), (57, 352100), (60, 334495), (70, 286710), (75, 267596), (76, 264075), (84, 238925), (95, 211260), (100, 200697), (105, 191140), (114, 176050), (133, 150900), (140, 143355), (150, 133798), (175, 114684), (190, 105630), (210, 95570), (228, 88025), (266, 75450), (285, 70420), (300, 66899), (350, 57342), (380, 52815), (399, 50300), (420, 47785), (475, 42252), (503, 39900), (525, 38228), (532, 37725), (570, 35210), (665, 30180), (700, 28671), (798, 25150), (950, 21126), (1006, 19950), (1050, 19114), (1140, 17605), (1330, 15090), (1425, 14084), (1509, 13300), (1596, 12575), (1900, 10563), (1995, 10060), (2012, 9975), (2100, 9557), (2515, 7980), (2660, 7545), (2850, 7042), (3018, 6650), (3325, 6036), (3521, 5700), (3990, 5030)]