20543250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 192

約数和(自身を含む): 65729664

約数和(自身を除く): 45186414

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 43, 49, 50, 65, 70, 75, 78, 86, 91, 98, 105, 125, 129, 130, 147, 150, 175, 182, 195, 210, 215, 245, 250, 258, 273, 294, 301, 325, 350, 375, 390, 430, 455, 490, 525, 546, 559, 602, 637, 645, 650, 735, 750, 875, 903, 910, 975, 1050, 1075, 1118, 1225, 1274, 1290, 1365, 1470, 1505, 1625, 1677, 1750, 1806, 1911, 1950, 2107, 2150, 2275, 2450, 2625, 2730, 2795, 3010, 3185, 3225, 3250, 3354, 3675, 3822, 3913, 4214, 4515, 4550, 4875, 5250, 5375, 5590, 6125, 6321, 6370, 6450, 6825, 7350, 7525, 7826, 8385, 9030, 9555, 9750, 10535, 10750, 11375, 11739, 12250, 12642, 13650, 13975, 15050, 15925, 16125, 16770, 18375, 19110, 19565, 21070, 22575, 22750, 23478, 27391, 27950, 31605, 31850, 32250, 34125, 36750, 37625, 39130, 41925, 45150, 47775, 52675, 54782, 58695, 63210, 68250, 69875, 75250, 79625, 82173, 83850, 95550, 97825, 105350, 112875, 117390, 136955, 139750, 158025, 159250, 164346, 195650, 209625, 225750, 238875, 263375, 273910, 293475, 316050, 410865, 419250, 477750, 489125, 526750, 586950, 684775, 790125, 821730, 978250, 1369550, 1467375, 1580250, 2054325, 2934750, 3423875, 4108650, 6847750, 10271625, 20543250]

約数ペア:

[(1, 20543250), (2, 10271625), (3, 6847750), (5, 4108650), (6, 3423875), (7, 2934750), (10, 2054325), (13, 1580250), (14, 1467375), (15, 1369550), (21, 978250), (25, 821730), (26, 790125), (30, 684775), (35, 586950), (39, 526750), (42, 489125), (43, 477750), (49, 419250), (50, 410865), (65, 316050), (70, 293475), (75, 273910), (78, 263375), (86, 238875), (91, 225750), (98, 209625), (105, 195650), (125, 164346), (129, 159250), (130, 158025), (147, 139750), (150, 136955), (175, 117390), (182, 112875), (195, 105350), (210, 97825), (215, 95550), (245, 83850), (250, 82173), (258, 79625), (273, 75250), (294, 69875), (301, 68250), (325, 63210), (350, 58695), (375, 54782), (390, 52675), (430, 47775), (455, 45150), (490, 41925), (525, 39130), (546, 37625), (559, 36750), (602, 34125), (637, 32250), (645, 31850), (650, 31605), (735, 27950), (750, 27391), (875, 23478), (903, 22750), (910, 22575), (975, 21070), (1050, 19565), (1075, 19110), (1118, 18375), (1225, 16770), (1274, 16125), (1290, 15925), (1365, 15050), (1470, 13975), (1505, 13650), (1625, 12642), (1677, 12250), (1750, 11739), (1806, 11375), (1911, 10750), (1950, 10535), (2107, 9750), (2150, 9555), (2275, 9030), (2450, 8385), (2625, 7826), (2730, 7525), (2795, 7350), (3010, 6825), (3185, 6450), (3225, 6370), (3250, 6321), (3354, 6125), (3675, 5590), (3822, 5375), (3913, 5250), (4214, 4875), (4515, 4550)]