20216768724

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^2\times {\mathrm{103}}^1\times {\mathrm{2161}}^1$

素因数の和:2335

約数の個数: 144

約数和(自身を含む): 54835930240

約数和(自身を除く): 34619161516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 103, 108, 116, 174, 206, 261, 309, 348, 412, 522, 618, 783, 841, 927, 1044, 1236, 1566, 1682, 1854, 2161, 2523, 2781, 2987, 3132, 3364, 3708, 4322, 5046, 5562, 5974, 6483, 7569, 8644, 8961, 10092, 11124, 11948, 12966, 15138, 17922, 19449, 22707, 25932, 26883, 30276, 35844, 38898, 45414, 53766, 58347, 62669, 77796, 80649, 86623, 90828, 107532, 116694, 125338, 161298, 173246, 188007, 222583, 233388, 250676, 259869, 322596, 346492, 376014, 445166, 519738, 564021, 667749, 752028, 779607, 890332, 1039476, 1128042, 1335498, 1559214, 1692063, 1817401, 2003247, 2256084, 2338821, 2670996, 3118428, 3384126, 3634802, 4006494, 4677642, 5452203, 6009741, 6454907, 6768252, 7269604, 8012988, 9355284, 10904406, 12019482, 12909814, 16356609, 19364721, 21808812, 24038964, 25819628, 32713218, 38729442, 49069827, 58094163, 65426436, 77458884, 98139654, 116188326, 174282489, 187192303, 196279308, 232376652, 348564978, 374384606, 561576909, 697129956, 748769212, 1123153818, 1684730727, 2246307636, 3369461454, 5054192181, 6738922908, 10108384362, 20216768724]

約数ペア:

[(1, 20216768724), (2, 10108384362), (3, 6738922908), (4, 5054192181), (6, 3369461454), (9, 2246307636), (12, 1684730727), (18, 1123153818), (27, 748769212), (29, 697129956), (36, 561576909), (54, 374384606), (58, 348564978), (87, 232376652), (103, 196279308), (108, 187192303), (116, 174282489), (174, 116188326), (206, 98139654), (261, 77458884), (309, 65426436), (348, 58094163), (412, 49069827), (522, 38729442), (618, 32713218), (783, 25819628), (841, 24038964), (927, 21808812), (1044, 19364721), (1236, 16356609), (1566, 12909814), (1682, 12019482), (1854, 10904406), (2161, 9355284), (2523, 8012988), (2781, 7269604), (2987, 6768252), (3132, 6454907), (3364, 6009741), (3708, 5452203), (4322, 4677642), (5046, 4006494), (5562, 3634802), (5974, 3384126), (6483, 3118428), (7569, 2670996), (8644, 2338821), (8961, 2256084), (10092, 2003247), (11124, 1817401), (11948, 1692063), (12966, 1559214), (15138, 1335498), (17922, 1128042), (19449, 1039476), (22707, 890332), (25932, 779607), (26883, 752028), (30276, 667749), (35844, 564021), (38898, 519738), (45414, 445166), (53766, 376014), (58347, 346492), (62669, 322596), (77796, 259869), (80649, 250676), (86623, 233388), (90828, 222583), (107532, 188007), (116694, 173246), (125338, 161298)]