20758788

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 57496320

約数和(自身を除く): 36737532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 61, 69, 92, 108, 122, 137, 138, 183, 207, 244, 274, 276, 366, 411, 414, 548, 549, 621, 732, 822, 828, 1098, 1233, 1242, 1403, 1644, 1647, 2196, 2466, 2484, 2806, 3151, 3294, 3699, 4209, 4932, 5612, 6302, 6588, 7398, 8357, 8418, 9453, 12604, 12627, 14796, 16714, 16836, 18906, 25071, 25254, 28359, 33428, 37812, 37881, 50142, 50508, 56718, 75213, 75762, 85077, 100284, 113436, 150426, 151524, 170154, 192211, 225639, 300852, 340308, 384422, 451278, 576633, 768844, 902556, 1153266, 1729899, 2306532, 3459798, 5189697, 6919596, 10379394, 20758788]

約数ペア:

[(1, 20758788), (2, 10379394), (3, 6919596), (4, 5189697), (6, 3459798), (9, 2306532), (12, 1729899), (18, 1153266), (23, 902556), (27, 768844), (36, 576633), (46, 451278), (54, 384422), (61, 340308), (69, 300852), (92, 225639), (108, 192211), (122, 170154), (137, 151524), (138, 150426), (183, 113436), (207, 100284), (244, 85077), (274, 75762), (276, 75213), (366, 56718), (411, 50508), (414, 50142), (548, 37881), (549, 37812), (621, 33428), (732, 28359), (822, 25254), (828, 25071), (1098, 18906), (1233, 16836), (1242, 16714), (1403, 14796), (1644, 12627), (1647, 12604), (2196, 9453), (2466, 8418), (2484, 8357), (2806, 7398), (3151, 6588), (3294, 6302), (3699, 5612), (4209, 4932)]