20052561720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2739421}}^1$

素因数の和:2739496

約数の個数: 64

約数和(自身を含む): 61143899040

約数和(自身を除く): 41091337320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 2739421, 5478842, 8218263, 10957684, 13697105, 16436526, 21915368, 27394210, 32873052, 41091315, 54788420, 65746104, 82182630, 109576840, 164365260, 167104681, 328730520, 334209362, 501314043, 668418724, 835523405, 1002628086, 1336837448, 1671046810, 2005256172, 2506570215, 3342093620, 4010512344, 5013140430, 6684187240, 10026280860, 20052561720]

約数ペア:

[(1, 20052561720), (2, 10026280860), (3, 6684187240), (4, 5013140430), (5, 4010512344), (6, 3342093620), (8, 2506570215), (10, 2005256172), (12, 1671046810), (15, 1336837448), (20, 1002628086), (24, 835523405), (30, 668418724), (40, 501314043), (60, 334209362), (61, 328730520), (120, 167104681), (122, 164365260), (183, 109576840), (244, 82182630), (305, 65746104), (366, 54788420), (488, 41091315), (610, 32873052), (732, 27394210), (915, 21915368), (1220, 16436526), (1464, 13697105), (1830, 10957684), (2440, 8218263), (3660, 5478842), (7320, 2739421)]