20912550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 35333850

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 59, 75, 85, 102, 118, 139, 150, 170, 177, 255, 278, 295, 354, 417, 425, 510, 590, 695, 834, 850, 885, 1003, 1275, 1390, 1475, 1770, 2006, 2085, 2363, 2550, 2950, 3009, 3475, 4170, 4425, 4726, 5015, 6018, 6950, 7089, 8201, 8850, 10030, 10425, 11815, 14178, 15045, 16402, 20850, 23630, 24603, 25075, 30090, 35445, 41005, 49206, 50150, 59075, 70890, 75225, 82010, 118150, 123015, 139417, 150450, 177225, 205025, 246030, 278834, 354450, 410050, 418251, 615075, 697085, 836502, 1230150, 1394170, 2091255, 3485425, 4182510, 6970850, 10456275, 20912550]

約数ペア:

[(1, 20912550), (2, 10456275), (3, 6970850), (5, 4182510), (6, 3485425), (10, 2091255), (15, 1394170), (17, 1230150), (25, 836502), (30, 697085), (34, 615075), (50, 418251), (51, 410050), (59, 354450), (75, 278834), (85, 246030), (102, 205025), (118, 177225), (139, 150450), (150, 139417), (170, 123015), (177, 118150), (255, 82010), (278, 75225), (295, 70890), (354, 59075), (417, 50150), (425, 49206), (510, 41005), (590, 35445), (695, 30090), (834, 25075), (850, 24603), (885, 23630), (1003, 20850), (1275, 16402), (1390, 15045), (1475, 14178), (1770, 11815), (2006, 10425), (2085, 10030), (2363, 8850), (2550, 8201), (2950, 7089), (3009, 6950), (3475, 6018), (4170, 5015), (4425, 4726)]