20254380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 60614400

約数和(自身を除く): 40360020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 109, 114, 163, 190, 218, 228, 285, 326, 327, 380, 436, 489, 545, 570, 652, 654, 815, 978, 1090, 1140, 1308, 1630, 1635, 1956, 2071, 2180, 2445, 3097, 3260, 3270, 4142, 4890, 6194, 6213, 6540, 8284, 9291, 9780, 10355, 12388, 12426, 15485, 17767, 18582, 20710, 24852, 30970, 31065, 35534, 37164, 41420, 46455, 53301, 61940, 62130, 71068, 88835, 92910, 106602, 124260, 177670, 185820, 213204, 266505, 337573, 355340, 533010, 675146, 1012719, 1066020, 1350292, 1687865, 2025438, 3375730, 4050876, 5063595, 6751460, 10127190, 20254380]

約数ペア:

[(1, 20254380), (2, 10127190), (3, 6751460), (4, 5063595), (5, 4050876), (6, 3375730), (10, 2025438), (12, 1687865), (15, 1350292), (19, 1066020), (20, 1012719), (30, 675146), (38, 533010), (57, 355340), (60, 337573), (76, 266505), (95, 213204), (109, 185820), (114, 177670), (163, 124260), (190, 106602), (218, 92910), (228, 88835), (285, 71068), (326, 62130), (327, 61940), (380, 53301), (436, 46455), (489, 41420), (545, 37164), (570, 35534), (652, 31065), (654, 30970), (815, 24852), (978, 20710), (1090, 18582), (1140, 17767), (1308, 15485), (1630, 12426), (1635, 12388), (1956, 10355), (2071, 9780), (2180, 9291), (2445, 8284), (3097, 6540), (3260, 6213), (3270, 6194), (4142, 4890)]