20565558780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{75983}}^1$

素因数の和:76355

約数の個数: 96

約数和(自身を含む): 62192600064

約数和(自身を除く): 41627041284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 347, 390, 694, 780, 1041, 1388, 1735, 2082, 3470, 4164, 4511, 5205, 6940, 9022, 10410, 13533, 18044, 20820, 22555, 27066, 45110, 54132, 67665, 75983, 90220, 135330, 151966, 227949, 270660, 303932, 379915, 455898, 759830, 911796, 987779, 1139745, 1519660, 1975558, 2279490, 2963337, 3951116, 4558980, 4938895, 5926674, 9877790, 11853348, 14816685, 19755580, 26366101, 29633370, 52732202, 59266740, 79098303, 105464404, 131830505, 158196606, 263661010, 316393212, 342759313, 395491515, 527322020, 685518626, 790983030, 1028277939, 1371037252, 1581966060, 1713796565, 2056555878, 3427593130, 4113111756, 5141389695, 6855186260, 10282779390, 20565558780]

約数ペア:

[(1, 20565558780), (2, 10282779390), (3, 6855186260), (4, 5141389695), (5, 4113111756), (6, 3427593130), (10, 2056555878), (12, 1713796565), (13, 1581966060), (15, 1371037252), (20, 1028277939), (26, 790983030), (30, 685518626), (39, 527322020), (52, 395491515), (60, 342759313), (65, 316393212), (78, 263661010), (130, 158196606), (156, 131830505), (195, 105464404), (260, 79098303), (347, 59266740), (390, 52732202), (694, 29633370), (780, 26366101), (1041, 19755580), (1388, 14816685), (1735, 11853348), (2082, 9877790), (3470, 5926674), (4164, 4938895), (4511, 4558980), (5205, 3951116), (6940, 2963337), (9022, 2279490), (10410, 1975558), (13533, 1519660), (18044, 1139745), (20820, 987779), (22555, 911796), (27066, 759830), (45110, 455898), (54132, 379915), (67665, 303932), (75983, 270660), (90220, 227949), (135330, 151966)]