20685132

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1669

約数の個数: 72

約数和(自身を含む): 58430736

約数和(自身を除く): 37745604

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 1637, 2106, 3159, 3274, 4212, 4911, 6318, 6548, 9822, 12636, 14733, 19644, 21281, 29466, 42562, 44199, 58932, 63843, 85124, 88398, 127686, 132597, 176796, 191529, 255372, 265194, 383058, 397791, 530388, 574587, 766116, 795582, 1149174, 1591164, 1723761, 2298348, 3447522, 5171283, 6895044, 10342566, 20685132]

約数ペア:

[(1, 20685132), (2, 10342566), (3, 6895044), (4, 5171283), (6, 3447522), (9, 2298348), (12, 1723761), (13, 1591164), (18, 1149174), (26, 795582), (27, 766116), (36, 574587), (39, 530388), (52, 397791), (54, 383058), (78, 265194), (81, 255372), (108, 191529), (117, 176796), (156, 132597), (162, 127686), (234, 88398), (243, 85124), (324, 63843), (351, 58932), (468, 44199), (486, 42562), (702, 29466), (972, 21281), (1053, 19644), (1404, 14733), (1637, 12636), (2106, 9822), (3159, 6548), (3274, 6318), (4212, 4911)]