20411700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{3581}}^1$

素因数の和:3617

約数の個数: 72

約数和(自身を含む): 62183520

約数和(自身を除く): 41771820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 190, 228, 285, 300, 380, 475, 570, 950, 1140, 1425, 1900, 2850, 3581, 5700, 7162, 10743, 14324, 17905, 21486, 35810, 42972, 53715, 68039, 71620, 89525, 107430, 136078, 179050, 204117, 214860, 268575, 272156, 340195, 358100, 408234, 537150, 680390, 816468, 1020585, 1074300, 1360780, 1700975, 2041170, 3401950, 4082340, 5102925, 6803900, 10205850, 20411700]

約数ペア:

[(1, 20411700), (2, 10205850), (3, 6803900), (4, 5102925), (5, 4082340), (6, 3401950), (10, 2041170), (12, 1700975), (15, 1360780), (19, 1074300), (20, 1020585), (25, 816468), (30, 680390), (38, 537150), (50, 408234), (57, 358100), (60, 340195), (75, 272156), (76, 268575), (95, 214860), (100, 204117), (114, 179050), (150, 136078), (190, 107430), (228, 89525), (285, 71620), (300, 68039), (380, 53715), (475, 42972), (570, 35810), (950, 21486), (1140, 17905), (1425, 14324), (1900, 10743), (2850, 7162), (3581, 5700)]