20319012

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 180

約数和(自身を含む): 66567424

約数和(自身を除く): 46248412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 31, 34, 36, 42, 51, 54, 62, 63, 68, 81, 84, 93, 102, 108, 119, 124, 126, 153, 162, 186, 189, 204, 217, 238, 252, 279, 289, 306, 324, 357, 372, 378, 434, 459, 476, 527, 558, 567, 578, 612, 651, 714, 756, 837, 867, 868, 918, 1054, 1071, 1116, 1134, 1156, 1302, 1377, 1428, 1581, 1674, 1734, 1836, 1953, 2023, 2108, 2142, 2268, 2511, 2601, 2604, 2754, 3162, 3213, 3348, 3468, 3689, 3906, 4046, 4284, 4743, 5022, 5202, 5508, 5859, 6069, 6324, 6426, 7378, 7803, 7812, 8092, 8959, 9486, 9639, 10044, 10404, 11067, 11718, 12138, 12852, 14229, 14756, 15606, 17577, 17918, 18207, 18972, 19278, 22134, 23409, 23436, 24276, 26877, 28458, 31212, 33201, 35154, 35836, 36414, 38556, 42687, 44268, 46818, 53754, 54621, 56916, 62713, 66402, 70308, 72828, 80631, 85374, 93636, 99603, 107508, 109242, 125426, 132804, 161262, 163863, 170748, 188139, 199206, 218484, 241893, 250852, 298809, 322524, 327726, 376278, 398412, 483786, 564417, 597618, 655452, 725679, 752556, 967572, 1128834, 1195236, 1451358, 1693251, 2257668, 2902716, 3386502, 5079753, 6773004, 10159506, 20319012]

約数ペア:

[(1, 20319012), (2, 10159506), (3, 6773004), (4, 5079753), (6, 3386502), (7, 2902716), (9, 2257668), (12, 1693251), (14, 1451358), (17, 1195236), (18, 1128834), (21, 967572), (27, 752556), (28, 725679), (31, 655452), (34, 597618), (36, 564417), (42, 483786), (51, 398412), (54, 376278), (62, 327726), (63, 322524), (68, 298809), (81, 250852), (84, 241893), (93, 218484), (102, 199206), (108, 188139), (119, 170748), (124, 163863), (126, 161262), (153, 132804), (162, 125426), (186, 109242), (189, 107508), (204, 99603), (217, 93636), (238, 85374), (252, 80631), (279, 72828), (289, 70308), (306, 66402), (324, 62713), (357, 56916), (372, 54621), (378, 53754), (434, 46818), (459, 44268), (476, 42687), (527, 38556), (558, 36414), (567, 35836), (578, 35154), (612, 33201), (651, 31212), (714, 28458), (756, 26877), (837, 24276), (867, 23436), (868, 23409), (918, 22134), (1054, 19278), (1071, 18972), (1116, 18207), (1134, 17918), (1156, 17577), (1302, 15606), (1377, 14756), (1428, 14229), (1581, 12852), (1674, 12138), (1734, 11718), (1836, 11067), (1953, 10404), (2023, 10044), (2108, 9639), (2142, 9486), (2268, 8959), (2511, 8092), (2601, 7812), (2604, 7803), (2754, 7378), (3162, 6426), (3213, 6324), (3348, 6069), (3468, 5859), (3689, 5508), (3906, 5202), (4046, 5022), (4284, 4743)]