20119890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13687}}^1$

素因数の和:13711

約数の個数: 48

約数和(自身を含む): 56175552

約数和(自身を除く): 36055662

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 13687, 27374, 41061, 68435, 82122, 95809, 136870, 191618, 205305, 287427, 410610, 479045, 574854, 670663, 958090, 1341326, 1437135, 2011989, 2874270, 3353315, 4023978, 6706630, 10059945, 20119890]

約数ペア:

[(1, 20119890), (2, 10059945), (3, 6706630), (5, 4023978), (6, 3353315), (7, 2874270), (10, 2011989), (14, 1437135), (15, 1341326), (21, 958090), (30, 670663), (35, 574854), (42, 479045), (49, 410610), (70, 287427), (98, 205305), (105, 191618), (147, 136870), (210, 95809), (245, 82122), (294, 68435), (490, 41061), (735, 27374), (1470, 13687)]