20131378180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1201}}^1\times {\mathrm{44111}}^1$

素因数の和:45340

約数の個数: 48

約数和(自身を含む): 44539004160

約数和(自身を除く): 24407625980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1201, 2402, 4804, 6005, 12010, 22819, 24020, 44111, 45638, 88222, 91276, 114095, 176444, 220555, 228190, 441110, 456380, 838109, 882220, 1676218, 3352436, 4190545, 8381090, 16762180, 52977311, 105954622, 211909244, 264886555, 529773110, 1006568909, 1059546220, 2013137818, 4026275636, 5032844545, 10065689090, 20131378180]

約数ペア:

[(1, 20131378180), (2, 10065689090), (4, 5032844545), (5, 4026275636), (10, 2013137818), (19, 1059546220), (20, 1006568909), (38, 529773110), (76, 264886555), (95, 211909244), (190, 105954622), (380, 52977311), (1201, 16762180), (2402, 8381090), (4804, 4190545), (6005, 3352436), (12010, 1676218), (22819, 882220), (24020, 838109), (44111, 456380), (45638, 441110), (88222, 228190), (91276, 220555), (114095, 176444)]