20277209720

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{953}}^1\times {\mathrm{2521}}^1$

素因数の和:3696

約数の個数: 64

約数和(自身を含む): 45906251040

約数和(自身を除く): 25629041320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 953, 1055, 1688, 1906, 2110, 2521, 3812, 4220, 4765, 5042, 7624, 8440, 9530, 10084, 12605, 19060, 20168, 25210, 38120, 50420, 100840, 201083, 402166, 531931, 804332, 1005415, 1063862, 1608664, 2010830, 2127724, 2402513, 2659655, 4021660, 4255448, 4805026, 5319310, 8043320, 9610052, 10638620, 12012565, 19220104, 21277240, 24025130, 48050260, 96100520, 506930243, 1013860486, 2027720972, 2534651215, 4055441944, 5069302430, 10138604860, 20277209720]

約数ペア:

[(1, 20277209720), (2, 10138604860), (4, 5069302430), (5, 4055441944), (8, 2534651215), (10, 2027720972), (20, 1013860486), (40, 506930243), (211, 96100520), (422, 48050260), (844, 24025130), (953, 21277240), (1055, 19220104), (1688, 12012565), (1906, 10638620), (2110, 9610052), (2521, 8043320), (3812, 5319310), (4220, 4805026), (4765, 4255448), (5042, 4021660), (7624, 2659655), (8440, 2402513), (9530, 2127724), (10084, 2010830), (12605, 1608664), (19060, 1063862), (20168, 1005415), (25210, 804332), (38120, 531931), (50420, 402166), (100840, 201083)]