20261790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 144

約数和(自身を含む): 60343920

約数和(自身を除く): 40082130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 30, 34, 38, 41, 45, 51, 57, 82, 85, 90, 95, 102, 114, 123, 153, 170, 171, 190, 205, 246, 255, 285, 289, 306, 323, 342, 369, 410, 510, 570, 578, 615, 646, 697, 738, 765, 779, 855, 867, 969, 1230, 1394, 1445, 1530, 1558, 1615, 1710, 1734, 1845, 1938, 2091, 2337, 2601, 2890, 2907, 3230, 3485, 3690, 3895, 4182, 4335, 4674, 4845, 5202, 5491, 5814, 6273, 6970, 7011, 7790, 8670, 9690, 10455, 10982, 11685, 11849, 12546, 13005, 13243, 14022, 14535, 16473, 20910, 23370, 23698, 26010, 26486, 27455, 29070, 31365, 32946, 35055, 35547, 39729, 49419, 54910, 59245, 62730, 66215, 70110, 71094, 79458, 82365, 98838, 106641, 118490, 119187, 132430, 164730, 177735, 198645, 213282, 225131, 238374, 247095, 355470, 397290, 450262, 494190, 533205, 595935, 675393, 1066410, 1125655, 1191870, 1350786, 2026179, 2251310, 3376965, 4052358, 6753930, 10130895, 20261790]

約数ペア:

[(1, 20261790), (2, 10130895), (3, 6753930), (5, 4052358), (6, 3376965), (9, 2251310), (10, 2026179), (15, 1350786), (17, 1191870), (18, 1125655), (19, 1066410), (30, 675393), (34, 595935), (38, 533205), (41, 494190), (45, 450262), (51, 397290), (57, 355470), (82, 247095), (85, 238374), (90, 225131), (95, 213282), (102, 198645), (114, 177735), (123, 164730), (153, 132430), (170, 119187), (171, 118490), (190, 106641), (205, 98838), (246, 82365), (255, 79458), (285, 71094), (289, 70110), (306, 66215), (323, 62730), (342, 59245), (369, 54910), (410, 49419), (510, 39729), (570, 35547), (578, 35055), (615, 32946), (646, 31365), (697, 29070), (738, 27455), (765, 26486), (779, 26010), (855, 23698), (867, 23370), (969, 20910), (1230, 16473), (1394, 14535), (1445, 14022), (1530, 13243), (1558, 13005), (1615, 12546), (1710, 11849), (1734, 11685), (1845, 10982), (1938, 10455), (2091, 9690), (2337, 8670), (2601, 7790), (2890, 7011), (2907, 6970), (3230, 6273), (3485, 5814), (3690, 5491), (3895, 5202), (4182, 4845), (4335, 4674)]