20076388

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 20142812

約数列:

[1, 2, 4, 17, 19, 34, 38, 41, 68, 76, 82, 164, 323, 379, 646, 697, 758, 779, 1292, 1394, 1516, 1558, 2788, 3116, 6443, 7201, 12886, 13243, 14402, 15539, 25772, 26486, 28804, 31078, 52972, 62156, 122417, 244834, 264163, 295241, 489668, 528326, 590482, 1056652, 1180964, 5019097, 10038194, 20076388]

約数ペア:

[(1, 20076388), (2, 10038194), (4, 5019097), (17, 1180964), (19, 1056652), (34, 590482), (38, 528326), (41, 489668), (68, 295241), (76, 264163), (82, 244834), (164, 122417), (323, 62156), (379, 52972), (646, 31078), (697, 28804), (758, 26486), (779, 25772), (1292, 15539), (1394, 14402), (1516, 13243), (1558, 12886), (2788, 7201), (3116, 6443)]