20842380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2969}}^1$

素因数の和:3000

約数の個数: 96

約数和(自身を含む): 69854400

約数和(自身を除く): 49012020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 2969, 3510, 5938, 7020, 8907, 11876, 14845, 17814, 26721, 29690, 35628, 38597, 44535, 53442, 59380, 77194, 80163, 89070, 106884, 115791, 133605, 154388, 160326, 178140, 192985, 231582, 267210, 320652, 347373, 385970, 400815, 463164, 534420, 578955, 694746, 771940, 801630, 1042119, 1157910, 1389492, 1603260, 1736865, 2084238, 2315820, 3473730, 4168476, 5210595, 6947460, 10421190, 20842380]

約数ペア:

[(1, 20842380), (2, 10421190), (3, 6947460), (4, 5210595), (5, 4168476), (6, 3473730), (9, 2315820), (10, 2084238), (12, 1736865), (13, 1603260), (15, 1389492), (18, 1157910), (20, 1042119), (26, 801630), (27, 771940), (30, 694746), (36, 578955), (39, 534420), (45, 463164), (52, 400815), (54, 385970), (60, 347373), (65, 320652), (78, 267210), (90, 231582), (108, 192985), (117, 178140), (130, 160326), (135, 154388), (156, 133605), (180, 115791), (195, 106884), (234, 89070), (260, 80163), (270, 77194), (351, 59380), (390, 53442), (468, 44535), (540, 38597), (585, 35628), (702, 29690), (780, 26721), (1170, 17814), (1404, 14845), (1755, 11876), (2340, 8907), (2969, 7020), (3510, 5938)]