20363850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^2$

素因数の和:149

約数の個数: 108

約数和(自身を含む): 59934966

約数和(自身を除く): 39571116

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 59, 65, 75, 78, 90, 117, 118, 130, 150, 177, 195, 225, 234, 295, 325, 354, 390, 450, 531, 585, 590, 650, 767, 885, 975, 1062, 1170, 1475, 1534, 1770, 1950, 2301, 2655, 2925, 2950, 3481, 3835, 4425, 4602, 5310, 5850, 6903, 6962, 7670, 8850, 10443, 11505, 13275, 13806, 17405, 19175, 20886, 23010, 26550, 31329, 34515, 34810, 38350, 45253, 52215, 57525, 62658, 69030, 87025, 90506, 104430, 115050, 135759, 156645, 172575, 174050, 226265, 261075, 271518, 313290, 345150, 407277, 452530, 522150, 678795, 783225, 814554, 1131325, 1357590, 1566450, 2036385, 2262650, 3393975, 4072770, 6787950, 10181925, 20363850]

約数ペア:

[(1, 20363850), (2, 10181925), (3, 6787950), (5, 4072770), (6, 3393975), (9, 2262650), (10, 2036385), (13, 1566450), (15, 1357590), (18, 1131325), (25, 814554), (26, 783225), (30, 678795), (39, 522150), (45, 452530), (50, 407277), (59, 345150), (65, 313290), (75, 271518), (78, 261075), (90, 226265), (117, 174050), (118, 172575), (130, 156645), (150, 135759), (177, 115050), (195, 104430), (225, 90506), (234, 87025), (295, 69030), (325, 62658), (354, 57525), (390, 52215), (450, 45253), (531, 38350), (585, 34810), (590, 34515), (650, 31329), (767, 26550), (885, 23010), (975, 20886), (1062, 19175), (1170, 17405), (1475, 13806), (1534, 13275), (1770, 11505), (1950, 10443), (2301, 8850), (2655, 7670), (2925, 6962), (2950, 6903), (3481, 5850), (3835, 5310), (4425, 4602)]