20181477900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1102813}}^1$

素因数の和:1102891

約数の個数: 72

約数和(自身を含む): 59349038224

約数和(自身を除く): 39167560324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 150, 183, 244, 300, 305, 366, 610, 732, 915, 1220, 1525, 1830, 3050, 3660, 4575, 6100, 9150, 18300, 1102813, 2205626, 3308439, 4411252, 5514065, 6616878, 11028130, 13233756, 16542195, 22056260, 27570325, 33084390, 55140650, 66168780, 67271593, 82710975, 110281300, 134543186, 165421950, 201814779, 269086372, 330843900, 336357965, 403629558, 672715930, 807259116, 1009073895, 1345431860, 1681789825, 2018147790, 3363579650, 4036295580, 5045369475, 6727159300, 10090738950, 20181477900]

約数ペア:

[(1, 20181477900), (2, 10090738950), (3, 6727159300), (4, 5045369475), (5, 4036295580), (6, 3363579650), (10, 2018147790), (12, 1681789825), (15, 1345431860), (20, 1009073895), (25, 807259116), (30, 672715930), (50, 403629558), (60, 336357965), (61, 330843900), (75, 269086372), (100, 201814779), (122, 165421950), (150, 134543186), (183, 110281300), (244, 82710975), (300, 67271593), (305, 66168780), (366, 55140650), (610, 33084390), (732, 27570325), (915, 22056260), (1220, 16542195), (1525, 13233756), (1830, 11028130), (3050, 6616878), (3660, 5514065), (4575, 4411252), (6100, 3308439), (9150, 2205626), (18300, 1102813)]