20067008

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:385

約数の個数: 56

約数和(自身を含む): 43525440

約数和(自身を除く): 23458432

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 178, 208, 271, 356, 416, 542, 712, 832, 1084, 1157, 1424, 2168, 2314, 2848, 3523, 4336, 4628, 5696, 7046, 8672, 9256, 14092, 17344, 18512, 24119, 28184, 37024, 48238, 56368, 74048, 96476, 112736, 192952, 225472, 313547, 385904, 627094, 771808, 1254188, 1543616, 2508376, 5016752, 10033504, 20067008]

約数ペア:

[(1, 20067008), (2, 10033504), (4, 5016752), (8, 2508376), (13, 1543616), (16, 1254188), (26, 771808), (32, 627094), (52, 385904), (64, 313547), (89, 225472), (104, 192952), (178, 112736), (208, 96476), (271, 74048), (356, 56368), (416, 48238), (542, 37024), (712, 28184), (832, 24119), (1084, 18512), (1157, 17344), (1424, 14092), (2168, 9256), (2314, 8672), (2848, 7046), (3523, 5696), (4336, 4628)]