20408954328

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{69697}}^1$

素因数の和:69806

約数の個数: 144

約数和(自身を含む): 65074234680

約数和(自身を除く): 44665280352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 83, 84, 98, 126, 147, 166, 168, 196, 249, 252, 294, 332, 392, 441, 498, 504, 581, 588, 664, 747, 882, 996, 1162, 1176, 1494, 1743, 1764, 1992, 2324, 2988, 3486, 3528, 4067, 4648, 5229, 5976, 6972, 8134, 10458, 12201, 13944, 16268, 20916, 24402, 32536, 36603, 41832, 48804, 69697, 73206, 97608, 139394, 146412, 209091, 278788, 292824, 418182, 487879, 557576, 627273, 836364, 975758, 1254546, 1463637, 1672728, 1951516, 2509092, 2927274, 3415153, 3903032, 4390911, 5018184, 5784851, 5854548, 6830306, 8781822, 10245459, 11569702, 11709096, 13660612, 17354553, 17563644, 20490918, 23139404, 27321224, 30736377, 34709106, 35127288, 40493957, 40981836, 46278808, 52063659, 61472754, 69418212, 80987914, 81963672, 104127318, 121481871, 122945508, 138836424, 161975828, 208254636, 242963742, 245891016, 283457699, 323951656, 364445613, 416509272, 485927484, 566915398, 728891226, 850373097, 971854968, 1133830796, 1457782452, 1700746194, 2267661592, 2551119291, 2915564904, 3401492388, 5102238582, 6802984776, 10204477164, 20408954328]

約数ペア:

[(1, 20408954328), (2, 10204477164), (3, 6802984776), (4, 5102238582), (6, 3401492388), (7, 2915564904), (8, 2551119291), (9, 2267661592), (12, 1700746194), (14, 1457782452), (18, 1133830796), (21, 971854968), (24, 850373097), (28, 728891226), (36, 566915398), (42, 485927484), (49, 416509272), (56, 364445613), (63, 323951656), (72, 283457699), (83, 245891016), (84, 242963742), (98, 208254636), (126, 161975828), (147, 138836424), (166, 122945508), (168, 121481871), (196, 104127318), (249, 81963672), (252, 80987914), (294, 69418212), (332, 61472754), (392, 52063659), (441, 46278808), (498, 40981836), (504, 40493957), (581, 35127288), (588, 34709106), (664, 30736377), (747, 27321224), (882, 23139404), (996, 20490918), (1162, 17563644), (1176, 17354553), (1494, 13660612), (1743, 11709096), (1764, 11569702), (1992, 10245459), (2324, 8781822), (2988, 6830306), (3486, 5854548), (3528, 5784851), (4067, 5018184), (4648, 4390911), (5229, 3903032), (5976, 3415153), (6972, 2927274), (8134, 2509092), (10458, 1951516), (12201, 1672728), (13944, 1463637), (16268, 1254546), (20916, 975758), (24402, 836364), (32536, 627273), (36603, 557576), (41832, 487879), (48804, 418182), (69697, 292824), (73206, 278788), (97608, 209091), (139394, 146412)]