20625930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 62355384

約数和(自身を除く): 41729454

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 61, 65, 78, 85, 90, 102, 117, 122, 130, 153, 170, 183, 195, 221, 234, 255, 289, 305, 306, 366, 390, 442, 510, 549, 578, 585, 610, 663, 765, 793, 867, 915, 1037, 1098, 1105, 1170, 1326, 1445, 1530, 1586, 1734, 1830, 1989, 2074, 2210, 2379, 2601, 2745, 2890, 3111, 3315, 3757, 3965, 3978, 4335, 4758, 5185, 5202, 5490, 6222, 6630, 7137, 7514, 7930, 8670, 9333, 9945, 10370, 11271, 11895, 13005, 13481, 14274, 15555, 17629, 18666, 18785, 19890, 22542, 23790, 26010, 26962, 31110, 33813, 35258, 35685, 37570, 40443, 46665, 52887, 56355, 67405, 67626, 71370, 80886, 88145, 93330, 105774, 112710, 121329, 134810, 158661, 169065, 176290, 202215, 229177, 242658, 264435, 317322, 338130, 404430, 458354, 528870, 606645, 687531, 793305, 1145885, 1213290, 1375062, 1586610, 2062593, 2291770, 3437655, 4125186, 6875310, 10312965, 20625930]

約数ペア:

[(1, 20625930), (2, 10312965), (3, 6875310), (5, 4125186), (6, 3437655), (9, 2291770), (10, 2062593), (13, 1586610), (15, 1375062), (17, 1213290), (18, 1145885), (26, 793305), (30, 687531), (34, 606645), (39, 528870), (45, 458354), (51, 404430), (61, 338130), (65, 317322), (78, 264435), (85, 242658), (90, 229177), (102, 202215), (117, 176290), (122, 169065), (130, 158661), (153, 134810), (170, 121329), (183, 112710), (195, 105774), (221, 93330), (234, 88145), (255, 80886), (289, 71370), (305, 67626), (306, 67405), (366, 56355), (390, 52887), (442, 46665), (510, 40443), (549, 37570), (578, 35685), (585, 35258), (610, 33813), (663, 31110), (765, 26962), (793, 26010), (867, 23790), (915, 22542), (1037, 19890), (1098, 18785), (1105, 18666), (1170, 17629), (1326, 15555), (1445, 14274), (1530, 13481), (1586, 13005), (1734, 11895), (1830, 11271), (1989, 10370), (2074, 9945), (2210, 9333), (2379, 8670), (2601, 7930), (2745, 7514), (2890, 7137), (3111, 6630), (3315, 6222), (3757, 5490), (3965, 5202), (3978, 5185), (4335, 4758)]