20876130

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 62741952

約数和(自身を除く): 41865822

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 71, 81, 90, 99, 110, 121, 135, 142, 162, 165, 198, 213, 242, 243, 270, 297, 330, 355, 363, 405, 426, 486, 495, 594, 605, 639, 710, 726, 781, 810, 891, 990, 1065, 1089, 1210, 1215, 1278, 1485, 1562, 1782, 1815, 1917, 2130, 2178, 2343, 2430, 2673, 2970, 3195, 3267, 3630, 3834, 3905, 4455, 4686, 5346, 5445, 5751, 6390, 6534, 7029, 7810, 8591, 8910, 9585, 9801, 10890, 11502, 11715, 13365, 14058, 16335, 17182, 17253, 19170, 19602, 21087, 23430, 25773, 26730, 28755, 29403, 32670, 34506, 35145, 42174, 42955, 49005, 51546, 57510, 58806, 63261, 70290, 77319, 85910, 86265, 98010, 105435, 126522, 128865, 147015, 154638, 172530, 189783, 210870, 231957, 257730, 294030, 316305, 379566, 386595, 463914, 632610, 695871, 773190, 948915, 1159785, 1391742, 1897830, 2087613, 2319570, 3479355, 4175226, 6958710, 10438065, 20876130]

約数ペア:

[(1, 20876130), (2, 10438065), (3, 6958710), (5, 4175226), (6, 3479355), (9, 2319570), (10, 2087613), (11, 1897830), (15, 1391742), (18, 1159785), (22, 948915), (27, 773190), (30, 695871), (33, 632610), (45, 463914), (54, 386595), (55, 379566), (66, 316305), (71, 294030), (81, 257730), (90, 231957), (99, 210870), (110, 189783), (121, 172530), (135, 154638), (142, 147015), (162, 128865), (165, 126522), (198, 105435), (213, 98010), (242, 86265), (243, 85910), (270, 77319), (297, 70290), (330, 63261), (355, 58806), (363, 57510), (405, 51546), (426, 49005), (486, 42955), (495, 42174), (594, 35145), (605, 34506), (639, 32670), (710, 29403), (726, 28755), (781, 26730), (810, 25773), (891, 23430), (990, 21087), (1065, 19602), (1089, 19170), (1210, 17253), (1215, 17182), (1278, 16335), (1485, 14058), (1562, 13365), (1782, 11715), (1815, 11502), (1917, 10890), (2130, 9801), (2178, 9585), (2343, 8910), (2430, 8591), (2673, 7810), (2970, 7029), (3195, 6534), (3267, 6390), (3630, 5751), (3834, 5445), (3905, 5346), (4455, 4686)]