20149769978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1\times {\mathrm{331}}^1$

素因数の和:831

約数の個数: 64

約数和(自身を含む): 33550602624

約数和(自身を除く): 13400832646

約数列:

[1, 2, 13, 26, 61, 122, 131, 262, 293, 331, 586, 662, 793, 1586, 1703, 3406, 3809, 4303, 7618, 7991, 8606, 15982, 17873, 20191, 35746, 38383, 40382, 43361, 76766, 86722, 96983, 103883, 193966, 207766, 232349, 262483, 464698, 498979, 524966, 563693, 997958, 1127386, 1260779, 2341363, 2521558, 2645021, 4682726, 5290042, 5915963, 11831926, 12704773, 25409546, 30437719, 34385273, 60875438, 68770546, 76907519, 153815038, 165162049, 330324098, 774991153, 1549982306, 10074884989, 20149769978]

約数ペア:

[(1, 20149769978), (2, 10074884989), (13, 1549982306), (26, 774991153), (61, 330324098), (122, 165162049), (131, 153815038), (262, 76907519), (293, 68770546), (331, 60875438), (586, 34385273), (662, 30437719), (793, 25409546), (1586, 12704773), (1703, 11831926), (3406, 5915963), (3809, 5290042), (4303, 4682726), (7618, 2645021), (7991, 2521558), (8606, 2341363), (15982, 1260779), (17873, 1127386), (20191, 997958), (35746, 563693), (38383, 524966), (40382, 498979), (43361, 464698), (76766, 262483), (86722, 232349), (96983, 207766), (103883, 193966)]