20661930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 58069440

約数和(自身を除く): 37407510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 43, 45, 57, 86, 90, 95, 114, 129, 171, 190, 215, 258, 281, 285, 342, 387, 430, 562, 570, 645, 774, 817, 843, 855, 1290, 1405, 1634, 1686, 1710, 1935, 2451, 2529, 2810, 3870, 4085, 4215, 4902, 5058, 5339, 7353, 8170, 8430, 10678, 12083, 12255, 12645, 14706, 16017, 24166, 24510, 25290, 26695, 32034, 36249, 36765, 48051, 53390, 60415, 72498, 73530, 80085, 96102, 108747, 120830, 160170, 181245, 217494, 229577, 240255, 362490, 459154, 480510, 543735, 688731, 1087470, 1147885, 1377462, 2066193, 2295770, 3443655, 4132386, 6887310, 10330965, 20661930]

約数ペア:

[(1, 20661930), (2, 10330965), (3, 6887310), (5, 4132386), (6, 3443655), (9, 2295770), (10, 2066193), (15, 1377462), (18, 1147885), (19, 1087470), (30, 688731), (38, 543735), (43, 480510), (45, 459154), (57, 362490), (86, 240255), (90, 229577), (95, 217494), (114, 181245), (129, 160170), (171, 120830), (190, 108747), (215, 96102), (258, 80085), (281, 73530), (285, 72498), (342, 60415), (387, 53390), (430, 48051), (562, 36765), (570, 36249), (645, 32034), (774, 26695), (817, 25290), (843, 24510), (855, 24166), (1290, 16017), (1405, 14706), (1634, 12645), (1686, 12255), (1710, 12083), (1935, 10678), (2451, 8430), (2529, 8170), (2810, 7353), (3870, 5339), (4085, 5058), (4215, 4902)]