20178963651

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{347}}^1\times {\mathrm{1109}}^1$

素因数の和:1704

約数の個数: 64

約数和(自身を含む): 33819586560

約数和(自身を除く): 13640622909

約数列:

[1, 3, 7, 11, 21, 33, 77, 227, 231, 347, 681, 1041, 1109, 1589, 2429, 2497, 3327, 3817, 4767, 7287, 7491, 7763, 11451, 12199, 17479, 23289, 26719, 36597, 52437, 78769, 80157, 85393, 236307, 251743, 256179, 384823, 551383, 755229, 866459, 1154469, 1654149, 1762201, 2599377, 2693761, 2769173, 4233053, 5286603, 6065213, 8081283, 8307519, 12699159, 18195639, 19384211, 29631371, 58152633, 87354821, 88894113, 262064463, 611483747, 960903031, 1834451241, 2882709093, 6726321217, 20178963651]

約数ペア:

[(1, 20178963651), (3, 6726321217), (7, 2882709093), (11, 1834451241), (21, 960903031), (33, 611483747), (77, 262064463), (227, 88894113), (231, 87354821), (347, 58152633), (681, 29631371), (1041, 19384211), (1109, 18195639), (1589, 12699159), (2429, 8307519), (2497, 8081283), (3327, 6065213), (3817, 5286603), (4767, 4233053), (7287, 2769173), (7491, 2693761), (7763, 2599377), (11451, 1762201), (12199, 1654149), (17479, 1154469), (23289, 866459), (26719, 755229), (36597, 551383), (52437, 384823), (78769, 256179), (80157, 251743), (85393, 236307)]