20318200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 56424960

約数和(自身を除く): 36106760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 92, 100, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 460, 575, 631, 644, 700, 805, 920, 1150, 1262, 1288, 1400, 1610, 2300, 2524, 3155, 3220, 4025, 4417, 4600, 5048, 6310, 6440, 8050, 8834, 12620, 14513, 15775, 16100, 17668, 22085, 25240, 29026, 31550, 32200, 35336, 44170, 58052, 63100, 72565, 88340, 101591, 110425, 116104, 126200, 145130, 176680, 203182, 220850, 290260, 362825, 406364, 441700, 507955, 580520, 725650, 812728, 883400, 1015910, 1451300, 2031820, 2539775, 2902600, 4063640, 5079550, 10159100, 20318200]

約数ペア:

[(1, 20318200), (2, 10159100), (4, 5079550), (5, 4063640), (7, 2902600), (8, 2539775), (10, 2031820), (14, 1451300), (20, 1015910), (23, 883400), (25, 812728), (28, 725650), (35, 580520), (40, 507955), (46, 441700), (50, 406364), (56, 362825), (70, 290260), (92, 220850), (100, 203182), (115, 176680), (140, 145130), (161, 126200), (175, 116104), (184, 110425), (200, 101591), (230, 88340), (280, 72565), (322, 63100), (350, 58052), (460, 44170), (575, 35336), (631, 32200), (644, 31550), (700, 29026), (805, 25240), (920, 22085), (1150, 17668), (1262, 16100), (1288, 15775), (1400, 14513), (1610, 12620), (2300, 8834), (2524, 8050), (3155, 6440), (3220, 6310), (4025, 5048), (4417, 4600)]