20439288

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 59404800

約数和(自身を除く): 38965512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 67, 72, 76, 114, 134, 152, 171, 201, 223, 228, 268, 342, 402, 446, 456, 536, 603, 669, 684, 804, 892, 1206, 1273, 1338, 1368, 1608, 1784, 2007, 2412, 2546, 2676, 3819, 4014, 4237, 4824, 5092, 5352, 7638, 8028, 8474, 10184, 11457, 12711, 14941, 15276, 16056, 16948, 22914, 25422, 29882, 30552, 33896, 38133, 44823, 45828, 50844, 59764, 76266, 89646, 91656, 101688, 119528, 134469, 152532, 179292, 268938, 283879, 305064, 358584, 537876, 567758, 851637, 1075752, 1135516, 1703274, 2271032, 2554911, 3406548, 5109822, 6813096, 10219644, 20439288]

約数ペア:

[(1, 20439288), (2, 10219644), (3, 6813096), (4, 5109822), (6, 3406548), (8, 2554911), (9, 2271032), (12, 1703274), (18, 1135516), (19, 1075752), (24, 851637), (36, 567758), (38, 537876), (57, 358584), (67, 305064), (72, 283879), (76, 268938), (114, 179292), (134, 152532), (152, 134469), (171, 119528), (201, 101688), (223, 91656), (228, 89646), (268, 76266), (342, 59764), (402, 50844), (446, 45828), (456, 44823), (536, 38133), (603, 33896), (669, 30552), (684, 29882), (804, 25422), (892, 22914), (1206, 16948), (1273, 16056), (1338, 15276), (1368, 14941), (1608, 12711), (1784, 11457), (2007, 10184), (2412, 8474), (2546, 8028), (2676, 7638), (3819, 5352), (4014, 5092), (4237, 4824)]