20776872

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 53654400

約数和(自身を除く): 32877528

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 89, 137, 142, 178, 213, 267, 274, 284, 356, 411, 426, 534, 548, 568, 712, 822, 852, 1068, 1096, 1644, 1704, 2136, 3288, 6319, 9727, 12193, 12638, 18957, 19454, 24386, 25276, 29181, 36579, 37914, 38908, 48772, 50552, 58362, 73158, 75828, 77816, 97544, 116724, 146316, 151656, 233448, 292632, 865703, 1731406, 2597109, 3462812, 5194218, 6925624, 10388436, 20776872]

約数ペア:

[(1, 20776872), (2, 10388436), (3, 6925624), (4, 5194218), (6, 3462812), (8, 2597109), (12, 1731406), (24, 865703), (71, 292632), (89, 233448), (137, 151656), (142, 146316), (178, 116724), (213, 97544), (267, 77816), (274, 75828), (284, 73158), (356, 58362), (411, 50552), (426, 48772), (534, 38908), (548, 37914), (568, 36579), (712, 29181), (822, 25276), (852, 24386), (1068, 19454), (1096, 18957), (1644, 12638), (1704, 12193), (2136, 9727), (3288, 6319)]