20566350

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6529}}^1$

素因数の和:6554

約数の個数: 72

約数和(自身を含む): 63158160

約数和(自身を除く): 42591810

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, 6529, 13058, 19587, 32645, 39174, 45703, 58761, 65290, 91406, 97935, 117522, 137109, 163225, 195870, 228515, 274218, 293805, 326450, 411327, 457030, 489675, 587610, 685545, 822654, 979350, 1142575, 1371090, 1469025, 2056635, 2285150, 2938050, 3427725, 4113270, 6855450, 10283175, 20566350]

約数ペア:

[(1, 20566350), (2, 10283175), (3, 6855450), (5, 4113270), (6, 3427725), (7, 2938050), (9, 2285150), (10, 2056635), (14, 1469025), (15, 1371090), (18, 1142575), (21, 979350), (25, 822654), (30, 685545), (35, 587610), (42, 489675), (45, 457030), (50, 411327), (63, 326450), (70, 293805), (75, 274218), (90, 228515), (105, 195870), (126, 163225), (150, 137109), (175, 117522), (210, 97935), (225, 91406), (315, 65290), (350, 58761), (450, 45703), (525, 39174), (630, 32645), (1050, 19587), (1575, 13058), (3150, 6529)]