20199655490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3049}}^1$

素因数の和:3208

約数の個数: 128

約数和(自身を含む): 44524339200

約数和(自身を除く): 24324683710

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 43, 62, 70, 71, 86, 142, 155, 215, 217, 301, 310, 355, 430, 434, 497, 602, 710, 994, 1085, 1333, 1505, 2170, 2201, 2485, 2666, 3010, 3049, 3053, 4402, 4970, 6098, 6106, 6665, 9331, 11005, 13330, 15245, 15265, 15407, 18662, 21343, 21371, 22010, 30490, 30530, 30814, 42686, 42742, 46655, 77035, 93310, 94519, 94643, 106715, 106855, 131107, 154070, 189038, 189286, 213430, 213710, 216479, 262214, 432958, 472595, 473215, 655535, 661633, 662501, 917749, 945190, 946430, 1082395, 1311070, 1323266, 1325002, 1515353, 1835498, 2164790, 3030706, 3308165, 3312505, 4064317, 4588745, 6616330, 6625010, 6710849, 7576765, 8128634, 9177490, 9308597, 13421698, 15153530, 18617194, 20321585, 28450219, 33554245, 40643170, 46542985, 46975943, 56900438, 65160179, 67108490, 93085970, 93951886, 130320358, 142251095, 234879715, 284502190, 288566507, 325800895, 469759430, 577133014, 651601790, 1442832535, 2019965549, 2885665070, 4039931098, 10099827745, 20199655490]

約数ペア:

[(1, 20199655490), (2, 10099827745), (5, 4039931098), (7, 2885665070), (10, 2019965549), (14, 1442832535), (31, 651601790), (35, 577133014), (43, 469759430), (62, 325800895), (70, 288566507), (71, 284502190), (86, 234879715), (142, 142251095), (155, 130320358), (215, 93951886), (217, 93085970), (301, 67108490), (310, 65160179), (355, 56900438), (430, 46975943), (434, 46542985), (497, 40643170), (602, 33554245), (710, 28450219), (994, 20321585), (1085, 18617194), (1333, 15153530), (1505, 13421698), (2170, 9308597), (2201, 9177490), (2485, 8128634), (2666, 7576765), (3010, 6710849), (3049, 6625010), (3053, 6616330), (4402, 4588745), (4970, 4064317), (6098, 3312505), (6106, 3308165), (6665, 3030706), (9331, 2164790), (11005, 1835498), (13330, 1515353), (15245, 1325002), (15265, 1323266), (15407, 1311070), (18662, 1082395), (21343, 946430), (21371, 945190), (22010, 917749), (30490, 662501), (30530, 661633), (30814, 655535), (42686, 473215), (42742, 472595), (46655, 432958), (77035, 262214), (93310, 216479), (94519, 213710), (94643, 213430), (106715, 189286), (106855, 189038), (131107, 154070)]