20663874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:920

約数の個数: 96

約数和(自身を含む): 59170176

約数和(自身を除く): 38506302

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 17, 18, 21, 22, 33, 34, 42, 51, 63, 66, 77, 99, 102, 119, 126, 153, 154, 187, 198, 231, 238, 306, 357, 374, 462, 561, 693, 714, 877, 1071, 1122, 1309, 1386, 1683, 1754, 2142, 2618, 2631, 3366, 3927, 5262, 6139, 7854, 7893, 9647, 11781, 12278, 14909, 15786, 18417, 19294, 23562, 28941, 29818, 36834, 44727, 55251, 57882, 67529, 86823, 89454, 104363, 110502, 134181, 135058, 163999, 173646, 202587, 208726, 268362, 313089, 327998, 405174, 491997, 607761, 626178, 939267, 983994, 1147993, 1215522, 1475991, 1878534, 2295986, 2951982, 3443979, 6887958, 10331937, 20663874]

約数ペア:

[(1, 20663874), (2, 10331937), (3, 6887958), (6, 3443979), (7, 2951982), (9, 2295986), (11, 1878534), (14, 1475991), (17, 1215522), (18, 1147993), (21, 983994), (22, 939267), (33, 626178), (34, 607761), (42, 491997), (51, 405174), (63, 327998), (66, 313089), (77, 268362), (99, 208726), (102, 202587), (119, 173646), (126, 163999), (153, 135058), (154, 134181), (187, 110502), (198, 104363), (231, 89454), (238, 86823), (306, 67529), (357, 57882), (374, 55251), (462, 44727), (561, 36834), (693, 29818), (714, 28941), (877, 23562), (1071, 19294), (1122, 18417), (1309, 15786), (1386, 14909), (1683, 12278), (1754, 11781), (2142, 9647), (2618, 7893), (2631, 7854), (3366, 6139), (3927, 5262)]