20155824784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{719}}^1\times {\mathrm{4481}}^1$

素因数の和:5248

約数の個数: 80

約数和(自身を含む): 43216519680

約数和(自身を除く): 23060694896

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 719, 782, 1438, 1564, 2876, 3128, 4481, 5752, 6256, 8962, 11504, 12223, 16537, 17924, 24446, 33074, 35848, 48892, 66148, 71696, 76177, 97784, 103063, 132296, 152354, 195568, 206126, 264592, 281129, 304708, 412252, 562258, 609416, 824504, 1124516, 1218832, 1649008, 1752071, 2249032, 3221839, 3504142, 4498064, 6443678, 7008284, 12887356, 14016568, 25774712, 28033136, 51549424, 54771263, 74102297, 109542526, 148204594, 219085052, 296409188, 438170104, 592818376, 876340208, 1185636752, 1259739049, 2519478098, 5038956196, 10077912392, 20155824784]

約数ペア:

[(1, 20155824784), (2, 10077912392), (4, 5038956196), (8, 2519478098), (16, 1259739049), (17, 1185636752), (23, 876340208), (34, 592818376), (46, 438170104), (68, 296409188), (92, 219085052), (136, 148204594), (184, 109542526), (272, 74102297), (368, 54771263), (391, 51549424), (719, 28033136), (782, 25774712), (1438, 14016568), (1564, 12887356), (2876, 7008284), (3128, 6443678), (4481, 4498064), (5752, 3504142), (6256, 3221839), (8962, 2249032), (11504, 1752071), (12223, 1649008), (16537, 1218832), (17924, 1124516), (24446, 824504), (33074, 609416), (35848, 562258), (48892, 412252), (66148, 304708), (71696, 281129), (76177, 264592), (97784, 206126), (103063, 195568), (132296, 152354)]