20199446020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1\times {\mathrm{3067}}^1$

素因数の和:3509

約数の個数: 96

約数和(自身を含む): 46456195968

約数和(自身を除く): 26256749948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 347, 365, 694, 730, 949, 1388, 1460, 1735, 1898, 3067, 3470, 3796, 4511, 4745, 6134, 6940, 9022, 9490, 12268, 15335, 18044, 18980, 22555, 25331, 30670, 39871, 45110, 50662, 61340, 79742, 90220, 101324, 126655, 159484, 199355, 223891, 253310, 329303, 398710, 447782, 506620, 658606, 797420, 895564, 1064249, 1119455, 1317212, 1646515, 2128498, 2238910, 2910583, 3293030, 4256996, 4477820, 5321245, 5821166, 6586060, 10642490, 11642332, 13835237, 14552915, 21284980, 27670474, 29105830, 55340948, 58211660, 69176185, 77690177, 138352370, 155380354, 276704740, 310760708, 388450885, 776901770, 1009972301, 1553803540, 2019944602, 4039889204, 5049861505, 10099723010, 20199446020]

約数ペア:

[(1, 20199446020), (2, 10099723010), (4, 5049861505), (5, 4039889204), (10, 2019944602), (13, 1553803540), (20, 1009972301), (26, 776901770), (52, 388450885), (65, 310760708), (73, 276704740), (130, 155380354), (146, 138352370), (260, 77690177), (292, 69176185), (347, 58211660), (365, 55340948), (694, 29105830), (730, 27670474), (949, 21284980), (1388, 14552915), (1460, 13835237), (1735, 11642332), (1898, 10642490), (3067, 6586060), (3470, 5821166), (3796, 5321245), (4511, 4477820), (4745, 4256996), (6134, 3293030), (6940, 2910583), (9022, 2238910), (9490, 2128498), (12268, 1646515), (15335, 1317212), (18044, 1119455), (18980, 1064249), (22555, 895564), (25331, 797420), (30670, 658606), (39871, 506620), (45110, 447782), (50662, 398710), (61340, 329303), (79742, 253310), (90220, 223891), (101324, 199355), (126655, 159484)]