20187992175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{599}}^1\times {\mathrm{2659}}^1$

素因数の和:3297

約数の個数: 72

約数和(自身を含む): 36216432000

約数和(自身を除く): 16028439825

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 169, 195, 325, 507, 599, 845, 975, 1797, 2535, 2659, 2995, 4225, 7787, 7977, 8985, 12675, 13295, 14975, 23361, 34567, 38935, 39885, 44925, 66475, 101231, 103701, 116805, 172835, 194675, 199425, 303693, 449371, 506155, 518505, 584025, 864175, 1348113, 1518465, 1592741, 2246855, 2530775, 2592525, 4778223, 6740565, 7592325, 7963705, 11234275, 20705633, 23891115, 33702825, 39818525, 62116899, 103528165, 119455575, 269173229, 310584495, 517640825, 807519687, 1345866145, 1552922475, 4037598435, 6729330725, 20187992175]

約数ペア:

[(1, 20187992175), (3, 6729330725), (5, 4037598435), (13, 1552922475), (15, 1345866145), (25, 807519687), (39, 517640825), (65, 310584495), (75, 269173229), (169, 119455575), (195, 103528165), (325, 62116899), (507, 39818525), (599, 33702825), (845, 23891115), (975, 20705633), (1797, 11234275), (2535, 7963705), (2659, 7592325), (2995, 6740565), (4225, 4778223), (7787, 2592525), (7977, 2530775), (8985, 2246855), (12675, 1592741), (13295, 1518465), (14975, 1348113), (23361, 864175), (34567, 584025), (38935, 518505), (39885, 506155), (44925, 449371), (66475, 303693), (101231, 199425), (103701, 194675), (116805, 172835)]