20860176

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:376

約数の個数: 80

約数和(自身を含む): 57585600

約数和(自身を除く): 36725424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 89, 114, 152, 178, 228, 257, 267, 304, 356, 456, 514, 534, 712, 771, 912, 1028, 1068, 1424, 1542, 1691, 2056, 2136, 3084, 3382, 4112, 4272, 4883, 5073, 6168, 6764, 9766, 10146, 12336, 13528, 14649, 19532, 20292, 22873, 27056, 29298, 39064, 40584, 45746, 58596, 68619, 78128, 81168, 91492, 117192, 137238, 182984, 234384, 274476, 365968, 434587, 548952, 869174, 1097904, 1303761, 1738348, 2607522, 3476696, 5215044, 6953392, 10430088, 20860176]

約数ペア:

[(1, 20860176), (2, 10430088), (3, 6953392), (4, 5215044), (6, 3476696), (8, 2607522), (12, 1738348), (16, 1303761), (19, 1097904), (24, 869174), (38, 548952), (48, 434587), (57, 365968), (76, 274476), (89, 234384), (114, 182984), (152, 137238), (178, 117192), (228, 91492), (257, 81168), (267, 78128), (304, 68619), (356, 58596), (456, 45746), (514, 40584), (534, 39064), (712, 29298), (771, 27056), (912, 22873), (1028, 20292), (1068, 19532), (1424, 14649), (1542, 13528), (1691, 12336), (2056, 10146), (2136, 9766), (3084, 6764), (3382, 6168), (4112, 5073), (4272, 4883)]