20315088

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2072

約数の個数: 60

約数和(自身を含む): 57683808

約数和(自身を除く): 37368720

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 1987, 2556, 3408, 3974, 5112, 5961, 7948, 10224, 11922, 15896, 17883, 23844, 31792, 35766, 47688, 71532, 95376, 141077, 143064, 282154, 286128, 423231, 564308, 846462, 1128616, 1269693, 1692924, 2257232, 2539386, 3385848, 5078772, 6771696, 10157544, 20315088]

約数ペア:

[(1, 20315088), (2, 10157544), (3, 6771696), (4, 5078772), (6, 3385848), (8, 2539386), (9, 2257232), (12, 1692924), (16, 1269693), (18, 1128616), (24, 846462), (36, 564308), (48, 423231), (71, 286128), (72, 282154), (142, 143064), (144, 141077), (213, 95376), (284, 71532), (426, 47688), (568, 35766), (639, 31792), (852, 23844), (1136, 17883), (1278, 15896), (1704, 11922), (1987, 10224), (2556, 7948), (3408, 5961), (3974, 5112)]