20194505105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{947}}^1$

素因数の和:1250

約数の個数: 64

約数和(自身を含む): 27348814080

約数和(自身を除く): 7154308975

約数列:

[1, 5, 17, 29, 41, 85, 145, 205, 211, 493, 697, 947, 1055, 1189, 2465, 3485, 3587, 4735, 5945, 6119, 8651, 16099, 17935, 20213, 27463, 30595, 38827, 43255, 80495, 101065, 104023, 137315, 147067, 194135, 199817, 250879, 466871, 520115, 660059, 735335, 999085, 1125983, 1254395, 2334355, 3300295, 3396889, 4264943, 5629915, 5794693, 8192497, 16984445, 19141711, 21324715, 28973465, 40962485, 95708555, 98509781, 139272449, 237582413, 492548905, 696362245, 1187912065, 4038901021, 20194505105]

約数ペア:

[(1, 20194505105), (5, 4038901021), (17, 1187912065), (29, 696362245), (41, 492548905), (85, 237582413), (145, 139272449), (205, 98509781), (211, 95708555), (493, 40962485), (697, 28973465), (947, 21324715), (1055, 19141711), (1189, 16984445), (2465, 8192497), (3485, 5794693), (3587, 5629915), (4735, 4264943), (5945, 3396889), (6119, 3300295), (8651, 2334355), (16099, 1254395), (17935, 1125983), (20213, 999085), (27463, 735335), (30595, 660059), (38827, 520115), (43255, 466871), (80495, 250879), (101065, 199817), (104023, 194135), (137315, 147067)]