20717367528

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{55381}}^1$

素因数の和:55523

約数の個数: 128

約数和(自身を含む): 61407561600

約数和(自身を除く): 40690194072

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 109, 132, 143, 156, 218, 264, 286, 312, 327, 429, 436, 572, 654, 858, 872, 1144, 1199, 1308, 1417, 1716, 2398, 2616, 2834, 3432, 3597, 4251, 4796, 5668, 7194, 8502, 9592, 11336, 14388, 15587, 17004, 28776, 31174, 34008, 46761, 55381, 62348, 93522, 110762, 124696, 166143, 187044, 221524, 332286, 374088, 443048, 609191, 664572, 719953, 1218382, 1329144, 1439906, 1827573, 2159859, 2436764, 2879812, 3655146, 4319718, 4873528, 5759624, 6036529, 7310292, 7919483, 8639436, 12073058, 14620584, 15838966, 17278872, 18109587, 23758449, 24146116, 31677932, 36219174, 47516898, 48292232, 63355864, 66401819, 72438348, 78474877, 95033796, 132803638, 144876696, 156949754, 190067592, 199205457, 235424631, 265607276, 313899508, 398410914, 470849262, 531214552, 627799016, 796821828, 863223647, 941698524, 1593643656, 1726447294, 1883397048, 2589670941, 3452894588, 5179341882, 6905789176, 10358683764, 20717367528]

約数ペア:

[(1, 20717367528), (2, 10358683764), (3, 6905789176), (4, 5179341882), (6, 3452894588), (8, 2589670941), (11, 1883397048), (12, 1726447294), (13, 1593643656), (22, 941698524), (24, 863223647), (26, 796821828), (33, 627799016), (39, 531214552), (44, 470849262), (52, 398410914), (66, 313899508), (78, 265607276), (88, 235424631), (104, 199205457), (109, 190067592), (132, 156949754), (143, 144876696), (156, 132803638), (218, 95033796), (264, 78474877), (286, 72438348), (312, 66401819), (327, 63355864), (429, 48292232), (436, 47516898), (572, 36219174), (654, 31677932), (858, 24146116), (872, 23758449), (1144, 18109587), (1199, 17278872), (1308, 15838966), (1417, 14620584), (1716, 12073058), (2398, 8639436), (2616, 7919483), (2834, 7310292), (3432, 6036529), (3597, 5759624), (4251, 4873528), (4796, 4319718), (5668, 3655146), (7194, 2879812), (8502, 2436764), (9592, 2159859), (11336, 1827573), (14388, 1439906), (15587, 1329144), (17004, 1218382), (28776, 719953), (31174, 664572), (34008, 609191), (46761, 443048), (55381, 374088), (62348, 332286), (93522, 221524), (110762, 187044), (124696, 166143)]