20120784928

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{8081}}^1$

素因数の和:8330

約数の個数: 96

約数和(自身を含む): 43991942400

約数和(自身を除く): 23871157472

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 92, 136, 184, 199, 272, 368, 391, 398, 544, 736, 782, 796, 1564, 1592, 3128, 3184, 3383, 4577, 6256, 6368, 6766, 8081, 9154, 12512, 13532, 16162, 18308, 27064, 32324, 36616, 54128, 64648, 73232, 77809, 108256, 129296, 137377, 146464, 155618, 185863, 258592, 274754, 311236, 371726, 549508, 622472, 743452, 1099016, 1244944, 1486904, 1608119, 2198032, 2489888, 2973808, 3159671, 3216238, 4396064, 5947616, 6319342, 6432476, 12638684, 12864952, 25277368, 25729904, 27338023, 36986737, 50554736, 51459808, 54676046, 73973474, 101109472, 109352092, 147946948, 218704184, 295893896, 437408368, 591787792, 628774529, 874816736, 1183575584, 1257549058, 2515098116, 5030196232, 10060392464, 20120784928]

約数ペア:

[(1, 20120784928), (2, 10060392464), (4, 5030196232), (8, 2515098116), (16, 1257549058), (17, 1183575584), (23, 874816736), (32, 628774529), (34, 591787792), (46, 437408368), (68, 295893896), (92, 218704184), (136, 147946948), (184, 109352092), (199, 101109472), (272, 73973474), (368, 54676046), (391, 51459808), (398, 50554736), (544, 36986737), (736, 27338023), (782, 25729904), (796, 25277368), (1564, 12864952), (1592, 12638684), (3128, 6432476), (3184, 6319342), (3383, 5947616), (4577, 4396064), (6256, 3216238), (6368, 3159671), (6766, 2973808), (8081, 2489888), (9154, 2198032), (12512, 1608119), (13532, 1486904), (16162, 1244944), (18308, 1099016), (27064, 743452), (32324, 622472), (36616, 549508), (54128, 371726), (64648, 311236), (73232, 274754), (77809, 258592), (108256, 185863), (129296, 155618), (137377, 146464)]