20382540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5569}}^1$

素因数の和:5642

約数の個数: 48

約数和(自身を含む): 58017120

約数和(自身を除く): 37634580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5569, 11138, 16707, 22276, 27845, 33414, 55690, 66828, 83535, 111380, 167070, 334140, 339709, 679418, 1019127, 1358836, 1698545, 2038254, 3397090, 4076508, 5095635, 6794180, 10191270, 20382540]

約数ペア:

[(1, 20382540), (2, 10191270), (3, 6794180), (4, 5095635), (5, 4076508), (6, 3397090), (10, 2038254), (12, 1698545), (15, 1358836), (20, 1019127), (30, 679418), (60, 339709), (61, 334140), (122, 167070), (183, 111380), (244, 83535), (305, 66828), (366, 55690), (610, 33414), (732, 27845), (915, 22276), (1220, 16707), (1830, 11138), (3660, 5569)]