20921937192002

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{118445279}}^1$

素因数の和:118445367

約数の個数: 64

約数和(自身を含む): 41480484618240

約数和(自身を除く): 20558547426238

約数列:

[1, 2, 7, 11, 14, 22, 31, 37, 62, 74, 77, 154, 217, 259, 341, 407, 434, 518, 682, 814, 1147, 2294, 2387, 2849, 4774, 5698, 8029, 12617, 16058, 25234, 88319, 176638, 118445279, 236890558, 829116953, 1302898069, 1658233906, 2605796138, 3671803649, 4382475323, 7343607298, 8764950646, 9120286483, 18240572966, 25702625543, 30677327261, 40389840139, 48207228553, 51405251086, 61354654522, 80779680278, 96414457106, 135856735013, 271713470026, 282728880973, 337450599871, 565457761946, 674901199742, 950997145091, 1494424085143, 1901994290182, 2988848170286, 10460968596001, 20921937192002]

約数ペア:

[(1, 20921937192002), (2, 10460968596001), (7, 2988848170286), (11, 1901994290182), (14, 1494424085143), (22, 950997145091), (31, 674901199742), (37, 565457761946), (62, 337450599871), (74, 282728880973), (77, 271713470026), (154, 135856735013), (217, 96414457106), (259, 80779680278), (341, 61354654522), (407, 51405251086), (434, 48207228553), (518, 40389840139), (682, 30677327261), (814, 25702625543), (1147, 18240572966), (2294, 9120286483), (2387, 8764950646), (2849, 7343607298), (4774, 4382475323), (5698, 3671803649), (8029, 2605796138), (12617, 1658233906), (16058, 1302898069), (25234, 829116953), (88319, 236890558), (176638, 118445279)]