20371330520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{730679}}^1$

素因数の和:730748

約数の個数: 64

約数和(自身を含む): 49715467200

約数和(自身を除く): 29344136680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 2788, 3485, 5576, 6970, 13940, 27880, 730679, 1461358, 2922716, 3653395, 5845432, 7306790, 12421543, 14613580, 24843086, 29227160, 29957839, 49686172, 59915678, 62107715, 99372344, 119831356, 124215430, 149789195, 239662712, 248430860, 299578390, 496861720, 509283263, 599156780, 1018566526, 1198313560, 2037133052, 2546416315, 4074266104, 5092832630, 10185665260, 20371330520]

約数ペア:

[(1, 20371330520), (2, 10185665260), (4, 5092832630), (5, 4074266104), (8, 2546416315), (10, 2037133052), (17, 1198313560), (20, 1018566526), (34, 599156780), (40, 509283263), (41, 496861720), (68, 299578390), (82, 248430860), (85, 239662712), (136, 149789195), (164, 124215430), (170, 119831356), (205, 99372344), (328, 62107715), (340, 59915678), (410, 49686172), (680, 29957839), (697, 29227160), (820, 24843086), (1394, 14613580), (1640, 12421543), (2788, 7306790), (3485, 5845432), (5576, 3653395), (6970, 2922716), (13940, 1461358), (27880, 730679)]