20210832

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 60933600

約数和(自身を除く): 40722768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 83, 89, 114, 144, 152, 166, 171, 178, 228, 249, 267, 304, 332, 342, 356, 456, 498, 534, 664, 684, 712, 747, 801, 912, 996, 1068, 1328, 1368, 1424, 1494, 1577, 1602, 1691, 1992, 2136, 2736, 2988, 3154, 3204, 3382, 3984, 4272, 4731, 5073, 5976, 6308, 6408, 6764, 7387, 9462, 10146, 11952, 12616, 12816, 13528, 14193, 14774, 15219, 18924, 20292, 22161, 25232, 27056, 28386, 29548, 30438, 37848, 40584, 44322, 56772, 59096, 60876, 66483, 75696, 81168, 88644, 113544, 118192, 121752, 132966, 140353, 177288, 227088, 243504, 265932, 280706, 354576, 421059, 531864, 561412, 842118, 1063728, 1122824, 1263177, 1684236, 2245648, 2526354, 3368472, 5052708, 6736944, 10105416, 20210832]

約数ペア:

[(1, 20210832), (2, 10105416), (3, 6736944), (4, 5052708), (6, 3368472), (8, 2526354), (9, 2245648), (12, 1684236), (16, 1263177), (18, 1122824), (19, 1063728), (24, 842118), (36, 561412), (38, 531864), (48, 421059), (57, 354576), (72, 280706), (76, 265932), (83, 243504), (89, 227088), (114, 177288), (144, 140353), (152, 132966), (166, 121752), (171, 118192), (178, 113544), (228, 88644), (249, 81168), (267, 75696), (304, 66483), (332, 60876), (342, 59096), (356, 56772), (456, 44322), (498, 40584), (534, 37848), (664, 30438), (684, 29548), (712, 28386), (747, 27056), (801, 25232), (912, 22161), (996, 20292), (1068, 18924), (1328, 15219), (1368, 14774), (1424, 14193), (1494, 13528), (1577, 12816), (1602, 12616), (1691, 11952), (1992, 10146), (2136, 9462), (2736, 7387), (2988, 6764), (3154, 6408), (3204, 6308), (3382, 5976), (3984, 5073), (4272, 4731)]