20273580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 45770580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 59, 60, 69, 83, 90, 92, 115, 118, 138, 166, 177, 180, 207, 230, 236, 249, 276, 295, 332, 345, 354, 414, 415, 460, 498, 531, 590, 690, 708, 747, 828, 830, 885, 996, 1035, 1062, 1180, 1245, 1357, 1380, 1494, 1660, 1770, 1909, 2070, 2124, 2490, 2655, 2714, 2988, 3540, 3735, 3818, 4071, 4140, 4897, 4980, 5310, 5428, 5727, 6785, 7470, 7636, 8142, 9545, 9794, 10620, 11454, 12213, 13570, 14691, 14940, 16284, 17181, 19090, 19588, 20355, 22908, 24426, 24485, 27140, 28635, 29382, 34362, 38180, 40710, 44073, 48852, 48970, 57270, 58764, 61065, 68724, 73455, 81420, 85905, 88146, 97940, 112631, 114540, 122130, 146910, 171810, 176292, 220365, 225262, 244260, 293820, 337893, 343620, 440730, 450524, 563155, 675786, 881460, 1013679, 1126310, 1351572, 1689465, 2027358, 2252620, 3378930, 4054716, 5068395, 6757860, 10136790, 20273580]

約数ペア:

[(1, 20273580), (2, 10136790), (3, 6757860), (4, 5068395), (5, 4054716), (6, 3378930), (9, 2252620), (10, 2027358), (12, 1689465), (15, 1351572), (18, 1126310), (20, 1013679), (23, 881460), (30, 675786), (36, 563155), (45, 450524), (46, 440730), (59, 343620), (60, 337893), (69, 293820), (83, 244260), (90, 225262), (92, 220365), (115, 176292), (118, 171810), (138, 146910), (166, 122130), (177, 114540), (180, 112631), (207, 97940), (230, 88146), (236, 85905), (249, 81420), (276, 73455), (295, 68724), (332, 61065), (345, 58764), (354, 57270), (414, 48970), (415, 48852), (460, 44073), (498, 40710), (531, 38180), (590, 34362), (690, 29382), (708, 28635), (747, 27140), (828, 24485), (830, 24426), (885, 22908), (996, 20355), (1035, 19588), (1062, 19090), (1180, 17181), (1245, 16284), (1357, 14940), (1380, 14691), (1494, 13570), (1660, 12213), (1770, 11454), (1909, 10620), (2070, 9794), (2124, 9545), (2490, 8142), (2655, 7636), (2714, 7470), (2988, 6785), (3540, 5727), (3735, 5428), (3818, 5310), (4071, 4980), (4140, 4897)]