20163955986

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{251}}^1\times {\mathrm{15443}}^1$

素因数の和:15736

約数の個数: 72

約数和(自身を含む): 46597575024

約数和(自身を除く): 26433619038

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 251, 289, 306, 502, 578, 753, 867, 1506, 1734, 2259, 2601, 4267, 4518, 5202, 8534, 12801, 15443, 25602, 30886, 38403, 46329, 72539, 76806, 92658, 138987, 145078, 217617, 262531, 277974, 435234, 525062, 652851, 787593, 1305702, 1575186, 2362779, 3876193, 4463027, 4725558, 7752386, 8926054, 11628579, 13389081, 23257158, 26778162, 34885737, 40167243, 65895281, 69771474, 80334486, 131790562, 197685843, 395371686, 593057529, 1120219777, 1186115058, 2240439554, 3360659331, 6721318662, 10081977993, 20163955986]

約数ペア:

[(1, 20163955986), (2, 10081977993), (3, 6721318662), (6, 3360659331), (9, 2240439554), (17, 1186115058), (18, 1120219777), (34, 593057529), (51, 395371686), (102, 197685843), (153, 131790562), (251, 80334486), (289, 69771474), (306, 65895281), (502, 40167243), (578, 34885737), (753, 26778162), (867, 23257158), (1506, 13389081), (1734, 11628579), (2259, 8926054), (2601, 7752386), (4267, 4725558), (4518, 4463027), (5202, 3876193), (8534, 2362779), (12801, 1575186), (15443, 1305702), (25602, 787593), (30886, 652851), (38403, 525062), (46329, 435234), (72539, 277974), (76806, 262531), (92658, 217617), (138987, 145078)]