20996914120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5768383}}^1$

素因数の和:5768414

約数の個数: 64

約数和(自身を含む): 58145310720

約数和(自身を除く): 37148396600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5768383, 11536766, 23073532, 28841915, 40378681, 46147064, 57683830, 74988979, 80757362, 115367660, 149977958, 161514724, 201893405, 230735320, 299955916, 323029448, 374944895, 403786810, 524922853, 599911832, 749889790, 807573620, 1049845706, 1499779580, 1615147240, 2099691412, 2624614265, 2999559160, 4199382824, 5249228530, 10498457060, 20996914120]

約数ペア:

[(1, 20996914120), (2, 10498457060), (4, 5249228530), (5, 4199382824), (7, 2999559160), (8, 2624614265), (10, 2099691412), (13, 1615147240), (14, 1499779580), (20, 1049845706), (26, 807573620), (28, 749889790), (35, 599911832), (40, 524922853), (52, 403786810), (56, 374944895), (65, 323029448), (70, 299955916), (91, 230735320), (104, 201893405), (130, 161514724), (140, 149977958), (182, 115367660), (260, 80757362), (280, 74988979), (364, 57683830), (455, 46147064), (520, 40378681), (728, 28841915), (910, 23073532), (1820, 11536766), (3640, 5768383)]