20199275740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{202357}}^1$

素因数の和:202427

約数の個数: 96

約数和(自身を含む): 52218077184

約数和(自身を除く): 32018801444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 161, 217, 230, 310, 322, 434, 460, 620, 644, 713, 805, 868, 1085, 1426, 1610, 2170, 2852, 3220, 3565, 4340, 4991, 7130, 9982, 14260, 19964, 24955, 49910, 99820, 202357, 404714, 809428, 1011785, 1416499, 2023570, 2832998, 4047140, 4654211, 5665996, 6273067, 7082495, 9308422, 12546134, 14164990, 18616844, 23271055, 25092268, 28329980, 31365335, 32579477, 43911469, 46542110, 62730670, 65158954, 87822938, 93084220, 125461340, 130317908, 144280541, 162897385, 175645876, 219557345, 288561082, 325794770, 439114690, 577122164, 651589540, 721402705, 878229380, 1009963787, 1442805410, 2019927574, 2885610820, 4039855148, 5049818935, 10099637870, 20199275740]

約数ペア:

[(1, 20199275740), (2, 10099637870), (4, 5049818935), (5, 4039855148), (7, 2885610820), (10, 2019927574), (14, 1442805410), (20, 1009963787), (23, 878229380), (28, 721402705), (31, 651589540), (35, 577122164), (46, 439114690), (62, 325794770), (70, 288561082), (92, 219557345), (115, 175645876), (124, 162897385), (140, 144280541), (155, 130317908), (161, 125461340), (217, 93084220), (230, 87822938), (310, 65158954), (322, 62730670), (434, 46542110), (460, 43911469), (620, 32579477), (644, 31365335), (713, 28329980), (805, 25092268), (868, 23271055), (1085, 18616844), (1426, 14164990), (1610, 12546134), (2170, 9308422), (2852, 7082495), (3220, 6273067), (3565, 5665996), (4340, 4654211), (4991, 4047140), (7130, 2832998), (9982, 2023570), (14260, 1416499), (19964, 1011785), (24955, 809428), (49910, 404714), (99820, 202357)]