20307960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2969}}^1$

素因数の和:3005

約数の個数: 96

約数和(自身を含む): 69498000

約数和(自身を除く): 49190040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 2969, 3420, 5938, 6840, 8907, 11876, 14845, 17814, 23752, 26721, 29690, 35628, 44535, 53442, 56411, 59380, 71256, 89070, 106884, 112822, 118760, 133605, 169233, 178140, 213768, 225644, 267210, 282055, 338466, 356280, 451288, 507699, 534420, 564110, 676932, 846165, 1015398, 1068840, 1128220, 1353864, 1692330, 2030796, 2256440, 2538495, 3384660, 4061592, 5076990, 6769320, 10153980, 20307960]

約数ペア:

[(1, 20307960), (2, 10153980), (3, 6769320), (4, 5076990), (5, 4061592), (6, 3384660), (8, 2538495), (9, 2256440), (10, 2030796), (12, 1692330), (15, 1353864), (18, 1128220), (19, 1068840), (20, 1015398), (24, 846165), (30, 676932), (36, 564110), (38, 534420), (40, 507699), (45, 451288), (57, 356280), (60, 338466), (72, 282055), (76, 267210), (90, 225644), (95, 213768), (114, 178140), (120, 169233), (152, 133605), (171, 118760), (180, 112822), (190, 106884), (228, 89070), (285, 71256), (342, 59380), (360, 56411), (380, 53442), (456, 44535), (570, 35628), (684, 29690), (760, 26721), (855, 23752), (1140, 17814), (1368, 14845), (1710, 11876), (2280, 8907), (2969, 6840), (3420, 5938)]