20698650

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6571}}^1$

素因数の和:6596

約数の個数: 72

約数和(自身を含む): 63564384

約数和(自身を除く): 42865734

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6571, 13142, 19713, 32855, 39426, 45997, 59139, 65710, 91994, 98565, 118278, 137991, 164275, 197130, 229985, 275982, 295695, 328550, 413973, 459970, 492825, 591390, 689955, 827946, 985650, 1149925, 1379910, 1478475, 2069865, 2299850, 2956950, 3449775, 4139730, 6899550, 10349325, 20698650]

約数ペア:

[(1, 20698650), (2, 10349325), (3, 6899550), (5, 4139730), (6, 3449775), (7, 2956950), (9, 2299850), (10, 2069865), (14, 1478475), (15, 1379910), (18, 1149925), (21, 985650), (25, 827946), (30, 689955), (35, 591390), (42, 492825), (45, 459970), (50, 413973), (63, 328550), (70, 295695), (75, 275982), (90, 229985), (105, 197130), (126, 164275), (150, 137991), (175, 118278), (210, 98565), (225, 91994), (315, 65710), (350, 59139), (450, 45997), (525, 39426), (630, 32855), (1050, 19713), (1575, 13142), (3150, 6571)]