20386506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{433}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 49996800

約数和(自身を除く): 29610294

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 59, 114, 118, 133, 177, 266, 354, 399, 413, 433, 798, 826, 866, 1121, 1239, 1299, 2242, 2478, 2598, 3031, 3363, 6062, 6726, 7847, 8227, 9093, 15694, 16454, 18186, 23541, 24681, 25547, 47082, 49362, 51094, 57589, 76641, 115178, 153282, 172767, 178829, 345534, 357658, 485393, 536487, 970786, 1072974, 1456179, 2912358, 3397751, 6795502, 10193253, 20386506]

約数ペア:

[(1, 20386506), (2, 10193253), (3, 6795502), (6, 3397751), (7, 2912358), (14, 1456179), (19, 1072974), (21, 970786), (38, 536487), (42, 485393), (57, 357658), (59, 345534), (114, 178829), (118, 172767), (133, 153282), (177, 115178), (266, 76641), (354, 57589), (399, 51094), (413, 49362), (433, 47082), (798, 25547), (826, 24681), (866, 23541), (1121, 18186), (1239, 16454), (1299, 15694), (2242, 9093), (2478, 8227), (2598, 7847), (3031, 6726), (3363, 6062)]