20197380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2569

約数の個数: 96

約数和(自身を含む): 68060160

約数和(自身を除く): 47862780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2531, 2660, 3990, 5062, 7593, 7980, 10124, 12655, 15186, 17717, 25310, 30372, 35434, 37965, 48089, 50620, 53151, 70868, 75930, 88585, 96178, 106302, 144267, 151860, 177170, 192356, 212604, 240445, 265755, 288534, 336623, 354340, 480890, 531510, 577068, 673246, 721335, 961780, 1009869, 1063020, 1346492, 1442670, 1683115, 2019738, 2885340, 3366230, 4039476, 5049345, 6732460, 10098690, 20197380]

約数ペア:

[(1, 20197380), (2, 10098690), (3, 6732460), (4, 5049345), (5, 4039476), (6, 3366230), (7, 2885340), (10, 2019738), (12, 1683115), (14, 1442670), (15, 1346492), (19, 1063020), (20, 1009869), (21, 961780), (28, 721335), (30, 673246), (35, 577068), (38, 531510), (42, 480890), (57, 354340), (60, 336623), (70, 288534), (76, 265755), (84, 240445), (95, 212604), (105, 192356), (114, 177170), (133, 151860), (140, 144267), (190, 106302), (210, 96178), (228, 88585), (266, 75930), (285, 70868), (380, 53151), (399, 50620), (420, 48089), (532, 37965), (570, 35434), (665, 30372), (798, 25310), (1140, 17717), (1330, 15186), (1596, 12655), (1995, 10124), (2531, 7980), (2660, 7593), (3990, 5062)]