20098080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:859

約数の個数: 144

約数和(自身を含む): 72707544

約数和(自身を除く): 52609464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 821, 1020, 1224, 1360, 1440, 1530, 1632, 1642, 2040, 2448, 2463, 2720, 3060, 3284, 4080, 4105, 4896, 4926, 6120, 6568, 7389, 8160, 8210, 9852, 12240, 12315, 13136, 13957, 14778, 16420, 19704, 24480, 24630, 26272, 27914, 29556, 32840, 36945, 39408, 41871, 49260, 55828, 59112, 65680, 69785, 73890, 78816, 83742, 98520, 111656, 118224, 125613, 131360, 139570, 147780, 167484, 197040, 209355, 223312, 236448, 251226, 279140, 295560, 334968, 394080, 418710, 446624, 502452, 558280, 591120, 628065, 669936, 837420, 1004904, 1116560, 1182240, 1256130, 1339872, 1674840, 2009808, 2233120, 2512260, 3349680, 4019616, 5024520, 6699360, 10049040, 20098080]

約数ペア:

[(1, 20098080), (2, 10049040), (3, 6699360), (4, 5024520), (5, 4019616), (6, 3349680), (8, 2512260), (9, 2233120), (10, 2009808), (12, 1674840), (15, 1339872), (16, 1256130), (17, 1182240), (18, 1116560), (20, 1004904), (24, 837420), (30, 669936), (32, 628065), (34, 591120), (36, 558280), (40, 502452), (45, 446624), (48, 418710), (51, 394080), (60, 334968), (68, 295560), (72, 279140), (80, 251226), (85, 236448), (90, 223312), (96, 209355), (102, 197040), (120, 167484), (136, 147780), (144, 139570), (153, 131360), (160, 125613), (170, 118224), (180, 111656), (204, 98520), (240, 83742), (255, 78816), (272, 73890), (288, 69785), (306, 65680), (340, 59112), (360, 55828), (408, 49260), (480, 41871), (510, 39408), (544, 36945), (612, 32840), (680, 29556), (720, 27914), (765, 26272), (816, 24630), (821, 24480), (1020, 19704), (1224, 16420), (1360, 14778), (1440, 13957), (1530, 13136), (1632, 12315), (1642, 12240), (2040, 9852), (2448, 8210), (2463, 8160), (2720, 7389), (3060, 6568), (3284, 6120), (4080, 4926), (4105, 4896)]