20735190

素因数分解:

$2^1\times 3^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:105

約数の個数: 192

約数和(自身を含む): 67931136

約数和(自身を除く): 47195946

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 27, 30, 35, 42, 45, 46, 53, 54, 63, 69, 70, 81, 90, 105, 106, 115, 126, 135, 138, 159, 161, 162, 189, 207, 210, 230, 243, 265, 270, 315, 318, 322, 345, 371, 378, 405, 414, 477, 483, 486, 530, 567, 621, 630, 690, 742, 795, 805, 810, 945, 954, 966, 1035, 1113, 1134, 1215, 1219, 1242, 1431, 1449, 1590, 1610, 1701, 1855, 1863, 1890, 2070, 2226, 2385, 2415, 2430, 2438, 2835, 2862, 2898, 3105, 3339, 3402, 3657, 3710, 3726, 4293, 4347, 4770, 4830, 5565, 5589, 5670, 6095, 6210, 6678, 7155, 7245, 7314, 8505, 8533, 8586, 8694, 9315, 10017, 10971, 11130, 11178, 12190, 12879, 13041, 14310, 14490, 16695, 17010, 17066, 18285, 18630, 20034, 21465, 21735, 21942, 25599, 25758, 26082, 27945, 30051, 32913, 33390, 36570, 39123, 42665, 42930, 43470, 50085, 51198, 54855, 55890, 60102, 64395, 65205, 65826, 76797, 78246, 85330, 90153, 98739, 100170, 109710, 127995, 128790, 130410, 150255, 153594, 164565, 180306, 195615, 197478, 230391, 255990, 296217, 300510, 329130, 383985, 391230, 450765, 460782, 493695, 592434, 691173, 767970, 901530, 987390, 1151955, 1382346, 1481085, 2073519, 2303910, 2962170, 3455865, 4147038, 6911730, 10367595, 20735190]

約数ペア:

[(1, 20735190), (2, 10367595), (3, 6911730), (5, 4147038), (6, 3455865), (7, 2962170), (9, 2303910), (10, 2073519), (14, 1481085), (15, 1382346), (18, 1151955), (21, 987390), (23, 901530), (27, 767970), (30, 691173), (35, 592434), (42, 493695), (45, 460782), (46, 450765), (53, 391230), (54, 383985), (63, 329130), (69, 300510), (70, 296217), (81, 255990), (90, 230391), (105, 197478), (106, 195615), (115, 180306), (126, 164565), (135, 153594), (138, 150255), (159, 130410), (161, 128790), (162, 127995), (189, 109710), (207, 100170), (210, 98739), (230, 90153), (243, 85330), (265, 78246), (270, 76797), (315, 65826), (318, 65205), (322, 64395), (345, 60102), (371, 55890), (378, 54855), (405, 51198), (414, 50085), (477, 43470), (483, 42930), (486, 42665), (530, 39123), (567, 36570), (621, 33390), (630, 32913), (690, 30051), (742, 27945), (795, 26082), (805, 25758), (810, 25599), (945, 21942), (954, 21735), (966, 21465), (1035, 20034), (1113, 18630), (1134, 18285), (1215, 17066), (1219, 17010), (1242, 16695), (1431, 14490), (1449, 14310), (1590, 13041), (1610, 12879), (1701, 12190), (1855, 11178), (1863, 11130), (1890, 10971), (2070, 10017), (2226, 9315), (2385, 8694), (2415, 8586), (2430, 8533), (2438, 8505), (2835, 7314), (2862, 7245), (2898, 7155), (3105, 6678), (3339, 6210), (3402, 6095), (3657, 5670), (3710, 5589), (3726, 5565), (4293, 4830), (4347, 4770)]