20699640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4423}}^1$

素因数の和:4453

約数の個数: 96

約数和(自身を含む): 72465120

約数和(自身を除く): 51765480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4423, 4680, 8846, 13269, 17692, 22115, 26538, 35384, 39807, 44230, 53076, 57499, 66345, 79614, 88460, 106152, 114998, 132690, 159228, 172497, 176920, 199035, 229996, 265380, 287495, 318456, 344994, 398070, 459992, 517491, 530760, 574990, 689988, 796140, 862485, 1034982, 1149980, 1379976, 1592280, 1724970, 2069964, 2299960, 2587455, 3449940, 4139928, 5174910, 6899880, 10349820, 20699640]

約数ペア:

[(1, 20699640), (2, 10349820), (3, 6899880), (4, 5174910), (5, 4139928), (6, 3449940), (8, 2587455), (9, 2299960), (10, 2069964), (12, 1724970), (13, 1592280), (15, 1379976), (18, 1149980), (20, 1034982), (24, 862485), (26, 796140), (30, 689988), (36, 574990), (39, 530760), (40, 517491), (45, 459992), (52, 398070), (60, 344994), (65, 318456), (72, 287495), (78, 265380), (90, 229996), (104, 199035), (117, 176920), (120, 172497), (130, 159228), (156, 132690), (180, 114998), (195, 106152), (234, 88460), (260, 79614), (312, 66345), (360, 57499), (390, 53076), (468, 44230), (520, 39807), (585, 35384), (780, 26538), (936, 22115), (1170, 17692), (1560, 13269), (2340, 8846), (4423, 4680)]