20199168728

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{15511}}^1$

素因数の和:15696

約数の個数: 64

約数和(自身を含む): 40207104000

約数和(自身を除く): 20007935272

約数列:

[1, 2, 4, 8, 31, 59, 62, 89, 118, 124, 178, 236, 248, 356, 472, 712, 1829, 2759, 3658, 5251, 5518, 7316, 10502, 11036, 14632, 15511, 21004, 22072, 31022, 42008, 62044, 124088, 162781, 325562, 480841, 651124, 915149, 961682, 1302248, 1380479, 1830298, 1923364, 2760958, 3660596, 3846728, 5521916, 7321192, 11043832, 28369619, 42794849, 56739238, 81448261, 85589698, 113478476, 162896522, 171179396, 226956952, 325793044, 342358792, 651586088, 2524896091, 5049792182, 10099584364, 20199168728]

約数ペア:

[(1, 20199168728), (2, 10099584364), (4, 5049792182), (8, 2524896091), (31, 651586088), (59, 342358792), (62, 325793044), (89, 226956952), (118, 171179396), (124, 162896522), (178, 113478476), (236, 85589698), (248, 81448261), (356, 56739238), (472, 42794849), (712, 28369619), (1829, 11043832), (2759, 7321192), (3658, 5521916), (5251, 3846728), (5518, 3660596), (7316, 2760958), (10502, 1923364), (11036, 1830298), (14632, 1380479), (15511, 1302248), (21004, 961682), (22072, 915149), (31022, 651124), (42008, 480841), (62044, 325562), (124088, 162781)]