20168766068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^2\times {\mathrm{331}}^1$

素因数の和:498

約数の個数: 144

約数和(自身を含む): 43115405760

約数和(自身を除く): 22946639692

約数列:

[1, 2, 4, 11, 17, 22, 29, 34, 44, 53, 58, 68, 106, 116, 187, 212, 319, 331, 374, 493, 583, 638, 662, 748, 901, 986, 1166, 1276, 1324, 1537, 1802, 1972, 2332, 2809, 3074, 3604, 3641, 5423, 5618, 5627, 6148, 7282, 9599, 9911, 10846, 11236, 11254, 14564, 16907, 17543, 19198, 19822, 21692, 22508, 26129, 30899, 33814, 35086, 38396, 39644, 47753, 52258, 61798, 61897, 67628, 70172, 81461, 95506, 104516, 105589, 123596, 123794, 162922, 163183, 191012, 192973, 211178, 247588, 287419, 298231, 325844, 326366, 385946, 422356, 508747, 525283, 574838, 596462, 652732, 771892, 896071, 929779, 1017494, 1050566, 1149676, 1192924, 1384837, 1792142, 1795013, 1859558, 2034988, 2101132, 2769674, 3280541, 3584284, 3590026, 3719116, 5539348, 5596217, 6561082, 7180052, 8648699, 10227569, 11192434, 13122164, 15233207, 15806243, 17297398, 20455138, 22384868, 26963591, 30466414, 31612486, 34594796, 40910276, 53927182, 60932828, 63224972, 95135689, 107854364, 173868673, 190271378, 296599501, 347737346, 380542756, 458381047, 593199002, 695474692, 916762094, 1186398004, 1833524188, 5042191517, 10084383034, 20168766068]

約数ペア:

[(1, 20168766068), (2, 10084383034), (4, 5042191517), (11, 1833524188), (17, 1186398004), (22, 916762094), (29, 695474692), (34, 593199002), (44, 458381047), (53, 380542756), (58, 347737346), (68, 296599501), (106, 190271378), (116, 173868673), (187, 107854364), (212, 95135689), (319, 63224972), (331, 60932828), (374, 53927182), (493, 40910276), (583, 34594796), (638, 31612486), (662, 30466414), (748, 26963591), (901, 22384868), (986, 20455138), (1166, 17297398), (1276, 15806243), (1324, 15233207), (1537, 13122164), (1802, 11192434), (1972, 10227569), (2332, 8648699), (2809, 7180052), (3074, 6561082), (3604, 5596217), (3641, 5539348), (5423, 3719116), (5618, 3590026), (5627, 3584284), (6148, 3280541), (7282, 2769674), (9599, 2101132), (9911, 2034988), (10846, 1859558), (11236, 1795013), (11254, 1792142), (14564, 1384837), (16907, 1192924), (17543, 1149676), (19198, 1050566), (19822, 1017494), (21692, 929779), (22508, 896071), (26129, 771892), (30899, 652732), (33814, 596462), (35086, 574838), (38396, 525283), (39644, 508747), (47753, 422356), (52258, 385946), (61798, 326366), (61897, 325844), (67628, 298231), (70172, 287419), (81461, 247588), (95506, 211178), (104516, 192973), (105589, 191012), (123596, 163183), (123794, 162922)]