20149271384

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{787}}^1\times {\mathrm{26449}}^1$

素因数の和:27264

約数の個数: 48

約数和(自身を含む): 41580987000

約数和(自身を除く): 21431715616

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 787, 968, 1574, 3148, 6296, 8657, 17314, 26449, 34628, 52898, 69256, 95227, 105796, 190454, 211592, 290939, 380908, 581878, 761816, 1163756, 2327512, 3200329, 6400658, 12801316, 20815363, 25602632, 41630726, 83261452, 166522904, 228968993, 457937986, 915875972, 1831751944, 2518658923, 5037317846, 10074635692, 20149271384]

約数ペア:

[(1, 20149271384), (2, 10074635692), (4, 5037317846), (8, 2518658923), (11, 1831751944), (22, 915875972), (44, 457937986), (88, 228968993), (121, 166522904), (242, 83261452), (484, 41630726), (787, 25602632), (968, 20815363), (1574, 12801316), (3148, 6400658), (6296, 3200329), (8657, 2327512), (17314, 1163756), (26449, 761816), (34628, 581878), (52898, 380908), (69256, 290939), (95227, 211592), (105796, 190454)]