20175213420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{140281}}^1$

素因数の和:140360

約数の個数: 144

約数和(自身を含む): 66177191808

約数和(自身を除く): 46001978388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 47, 51, 60, 68, 85, 90, 94, 102, 141, 153, 170, 180, 188, 204, 235, 255, 282, 306, 340, 423, 470, 510, 564, 612, 705, 765, 799, 846, 940, 1020, 1410, 1530, 1598, 1692, 2115, 2397, 2820, 3060, 3196, 3995, 4230, 4794, 7191, 7990, 8460, 9588, 11985, 14382, 15980, 23970, 28764, 35955, 47940, 71910, 140281, 143820, 280562, 420843, 561124, 701405, 841686, 1262529, 1402810, 1683372, 2104215, 2384777, 2525058, 2805620, 4208430, 4769554, 5050116, 6312645, 6593207, 7154331, 8416860, 9539108, 11923885, 12625290, 13186414, 14308662, 19779621, 21462993, 23847770, 25250580, 26372828, 28617324, 32966035, 35771655, 39559242, 42925986, 47695540, 59338863, 65932070, 71543310, 79118484, 85851972, 98898105, 107314965, 112084519, 118677726, 131864140, 143086620, 197796210, 214629930, 224169038, 237355452, 296694315, 336253557, 395592420, 429259860, 448338076, 560422595, 593388630, 672507114, 1008760671, 1120845190, 1186777260, 1345014228, 1681267785, 2017521342, 2241690380, 3362535570, 4035042684, 5043803355, 6725071140, 10087606710, 20175213420]

約数ペア:

[(1, 20175213420), (2, 10087606710), (3, 6725071140), (4, 5043803355), (5, 4035042684), (6, 3362535570), (9, 2241690380), (10, 2017521342), (12, 1681267785), (15, 1345014228), (17, 1186777260), (18, 1120845190), (20, 1008760671), (30, 672507114), (34, 593388630), (36, 560422595), (45, 448338076), (47, 429259860), (51, 395592420), (60, 336253557), (68, 296694315), (85, 237355452), (90, 224169038), (94, 214629930), (102, 197796210), (141, 143086620), (153, 131864140), (170, 118677726), (180, 112084519), (188, 107314965), (204, 98898105), (235, 85851972), (255, 79118484), (282, 71543310), (306, 65932070), (340, 59338863), (423, 47695540), (470, 42925986), (510, 39559242), (564, 35771655), (612, 32966035), (705, 28617324), (765, 26372828), (799, 25250580), (846, 23847770), (940, 21462993), (1020, 19779621), (1410, 14308662), (1530, 13186414), (1598, 12625290), (1692, 11923885), (2115, 9539108), (2397, 8416860), (2820, 7154331), (3060, 6593207), (3196, 6312645), (3995, 5050116), (4230, 4769554), (4794, 4208430), (7191, 2805620), (7990, 2525058), (8460, 2384777), (9588, 2104215), (11985, 1683372), (14382, 1402810), (15980, 1262529), (23970, 841686), (28764, 701405), (35955, 561124), (47940, 420843), (71910, 280562), (140281, 143820)]