20178698940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{265021}}^1$

素因数の和:265089

約数の個数: 120

約数和(自身を含む): 64648406592

約数和(自身を除く): 44469707652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 270, 282, 324, 405, 423, 470, 540, 564, 705, 810, 846, 940, 1269, 1410, 1620, 1692, 2115, 2538, 2820, 3807, 4230, 5076, 6345, 7614, 8460, 12690, 15228, 19035, 25380, 38070, 76140, 265021, 530042, 795063, 1060084, 1325105, 1590126, 2385189, 2650210, 3180252, 3975315, 4770378, 5300420, 7155567, 7950630, 9540756, 11925945, 12455987, 14311134, 15901260, 21466701, 23851890, 24911974, 28622268, 35777835, 37367961, 42933402, 47703780, 49823948, 62279935, 71555670, 74735922, 85866804, 107333505, 112103883, 124559870, 143111340, 149471844, 186839805, 214667010, 224207766, 249119740, 336311649, 373679610, 429334020, 448415532, 560519415, 672623298, 747359220, 1008934947, 1121038830, 1345246596, 1681558245, 2017869894, 2242077660, 3363116490, 4035739788, 5044674735, 6726232980, 10089349470, 20178698940]

約数ペア:

[(1, 20178698940), (2, 10089349470), (3, 6726232980), (4, 5044674735), (5, 4035739788), (6, 3363116490), (9, 2242077660), (10, 2017869894), (12, 1681558245), (15, 1345246596), (18, 1121038830), (20, 1008934947), (27, 747359220), (30, 672623298), (36, 560519415), (45, 448415532), (47, 429334020), (54, 373679610), (60, 336311649), (81, 249119740), (90, 224207766), (94, 214667010), (108, 186839805), (135, 149471844), (141, 143111340), (162, 124559870), (180, 112103883), (188, 107333505), (235, 85866804), (270, 74735922), (282, 71555670), (324, 62279935), (405, 49823948), (423, 47703780), (470, 42933402), (540, 37367961), (564, 35777835), (705, 28622268), (810, 24911974), (846, 23851890), (940, 21466701), (1269, 15901260), (1410, 14311134), (1620, 12455987), (1692, 11925945), (2115, 9540756), (2538, 7950630), (2820, 7155567), (3807, 5300420), (4230, 4770378), (5076, 3975315), (6345, 3180252), (7614, 2650210), (8460, 2385189), (12690, 1590126), (15228, 1325105), (19035, 1060084), (25380, 795063), (38070, 530042), (76140, 265021)]