20155333660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{7823}}^1$

素因数の和:8096

約数の個数: 144

約数和(自身を含む): 53944289280

約数和(自身を除く): 33788955620

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 239, 245, 308, 385, 478, 490, 539, 770, 956, 980, 1078, 1195, 1540, 1673, 2156, 2390, 2629, 2695, 3346, 4780, 5258, 5390, 6692, 7823, 8365, 10516, 10780, 11711, 13145, 15646, 16730, 18403, 23422, 26290, 31292, 33460, 36806, 39115, 46844, 52580, 54761, 58555, 73612, 78230, 86053, 92015, 109522, 117110, 128821, 156460, 172106, 184030, 219044, 234220, 257642, 273805, 344212, 368060, 383327, 430265, 515284, 547610, 602371, 644105, 766654, 860530, 1095220, 1204742, 1288210, 1533308, 1721060, 1869697, 1916635, 2409484, 2576420, 3011855, 3739394, 3833270, 4216597, 6023710, 7478788, 7666540, 8433194, 9348485, 12047420, 13087879, 16866388, 18696970, 20566667, 21082985, 26175758, 37393940, 41133334, 42165970, 52351516, 65439395, 82266668, 84331940, 91615153, 102833335, 130878790, 143966669, 183230306, 205666670, 261757580, 287933338, 366460612, 411333340, 458075765, 575866676, 719833345, 916151530, 1007766683, 1439666690, 1832303060, 2015533366, 2879333380, 4031066732, 5038833415, 10077666830, 20155333660]

約数ペア:

[(1, 20155333660), (2, 10077666830), (4, 5038833415), (5, 4031066732), (7, 2879333380), (10, 2015533366), (11, 1832303060), (14, 1439666690), (20, 1007766683), (22, 916151530), (28, 719833345), (35, 575866676), (44, 458075765), (49, 411333340), (55, 366460612), (70, 287933338), (77, 261757580), (98, 205666670), (110, 183230306), (140, 143966669), (154, 130878790), (196, 102833335), (220, 91615153), (239, 84331940), (245, 82266668), (308, 65439395), (385, 52351516), (478, 42165970), (490, 41133334), (539, 37393940), (770, 26175758), (956, 21082985), (980, 20566667), (1078, 18696970), (1195, 16866388), (1540, 13087879), (1673, 12047420), (2156, 9348485), (2390, 8433194), (2629, 7666540), (2695, 7478788), (3346, 6023710), (4780, 4216597), (5258, 3833270), (5390, 3739394), (6692, 3011855), (7823, 2576420), (8365, 2409484), (10516, 1916635), (10780, 1869697), (11711, 1721060), (13145, 1533308), (15646, 1288210), (16730, 1204742), (18403, 1095220), (23422, 860530), (26290, 766654), (31292, 644105), (33460, 602371), (36806, 547610), (39115, 515284), (46844, 430265), (52580, 383327), (54761, 368060), (58555, 344212), (73612, 273805), (78230, 257642), (86053, 234220), (92015, 219044), (109522, 184030), (117110, 172106), (128821, 156460)]