20199063664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{7681}}^1$

素因数の和:8018

約数の個数: 80

約数和(自身を含む): 43208484480

約数和(自身を除く): 23009420816

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 269, 376, 538, 611, 752, 1076, 1222, 2152, 2444, 3497, 4304, 4888, 6994, 7681, 9776, 12643, 13988, 15362, 25286, 27976, 30724, 50572, 55952, 61448, 99853, 101144, 122896, 164359, 199706, 202288, 328718, 361007, 399412, 657436, 722014, 798824, 1314872, 1444028, 1597648, 2066189, 2629744, 2888056, 4132378, 4693091, 5776112, 8264756, 9386182, 16529512, 18772364, 26860457, 33059024, 37544728, 53720914, 75089456, 97110883, 107441828, 194221766, 214883656, 388443532, 429767312, 776887064, 1262441479, 1553774128, 2524882958, 5049765916, 10099531832, 20199063664]

約数ペア:

[(1, 20199063664), (2, 10099531832), (4, 5049765916), (8, 2524882958), (13, 1553774128), (16, 1262441479), (26, 776887064), (47, 429767312), (52, 388443532), (94, 214883656), (104, 194221766), (188, 107441828), (208, 97110883), (269, 75089456), (376, 53720914), (538, 37544728), (611, 33059024), (752, 26860457), (1076, 18772364), (1222, 16529512), (2152, 9386182), (2444, 8264756), (3497, 5776112), (4304, 4693091), (4888, 4132378), (6994, 2888056), (7681, 2629744), (9776, 2066189), (12643, 1597648), (13988, 1444028), (15362, 1314872), (25286, 798824), (27976, 722014), (30724, 657436), (50572, 399412), (55952, 361007), (61448, 328718), (99853, 202288), (101144, 199706), (122896, 164359)]